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<hr>
<h3><span>Statement:</span> in 1962 , the vfl began in july</h3>
<h3>Input Table: 1962 vfl season</h3>
<div class="step">
<div class="step">
<div class="step-title">Step 1: Extract the numerical month from the 'date' column then add column 'month' to existing table.</div>
<div id="step-1" class="content">
<table>
<tr>
<td>home_team</td>
<td>home_team_score</td>
<td>away_team</td>
<td>away_team_score</td>
<td>venue</td>
<td>crowd</td>
<td>date</td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">melbourne</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">11.18 (84)</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">st kilda</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">11.6 (72)</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">mcg</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">48952</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1962-06-23</span></td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">essendon</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">15.17 (107)</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">geelong</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">10.7 (67)</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">windy hill</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">35000</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1962-06-23</span></td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">collingwood</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">10.14 (74)</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">fitzroy</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">9.11 (65)</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">victoria park</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">26488</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1962-06-23</span></td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">carlton</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">12.9 (81)</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">footscray</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">9.10 (64)</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">princes park</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">32400</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1962-06-23</span></td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">south melbourne</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">10.13 (73)</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">richmond</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">11.13 (79)</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">lake oval</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">17000</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1962-06-23</span></td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">north melbourne</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">10.8 (68)</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">hawthorn</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">10.7 (67)</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">arden street oval</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">8470</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1962-06-23</span></td>
</tr>
</table>
</div>
<hr>
<div class="step">
<div class="step-title">Step 2: Select rows where 'month' is July.</div>
<div id="step-0" class="content">
<table>
<tr>
<td>home_team</td>
<td>home_team_score</td>
<td>away_team</td>
<td>away_team_score</td>
<td>venue</td>
<td>crowd</td>
<td>date</td>
<td>month</td>
</tr>
<tr>
<td>melbourne</td>
<td>11.18 (84)</td>
<td>st kilda</td>
<td>11.6 (72)</td>
<td>mcg</td>
<td>48952</td>
<td>1962-06-23</td>
<td>6</td>
</tr>
<tr>
<td>essendon</td>
<td>15.17 (107)</td>
<td>geelong</td>
<td>10.7 (67)</td>
<td>windy hill</td>
<td>35000</td>
<td>1962-06-23</td>
<td>6</td>
</tr>
<tr>
<td>collingwood</td>
<td>10.14 (74)</td>
<td>fitzroy</td>
<td>9.11 (65)</td>
<td>victoria park</td>
<td>26488</td>
<td>1962-06-23</td>
<td>6</td>
</tr>
<tr>
<td>carlton</td>
<td>12.9 (81)</td>
<td>footscray</td>
<td>9.10 (64)</td>
<td>princes park</td>
<td>32400</td>
<td>1962-06-23</td>
<td>6</td>
</tr>
<tr>
<td>south melbourne</td>
<td>10.13 (73)</td>
<td>richmond</td>
<td>11.13 (79)</td>
<td>lake oval</td>
<td>17000</td>
<td>1962-06-23</td>
<td>6</td>
</tr>
<tr>
<td>north melbourne</td>
<td>10.8 (68)</td>
<td>hawthorn</td>
<td>10.7 (67)</td>
<td>arden street oval</td>
<td>8470</td>
<td>1962-06-23</td>
<td>6</td>
</tr>
</table>
</div>
</div>
<hr>
<div class="step">
<div class="step-title">Step 3: Use a `CASE` statement to return TRUE if the number of rows is equal to 0, otherwise return FALSE.</div>
<div id="step-1" class="content">
<table>
<tr>
<td>home_team</td>
<td>home_team_score</td>
<td>away_team</td>
<td>away_team_score</td>
<td>venue</td>
<td>crowd</td>
<td>date</td>
<td>month</td>
</tr>
</table>
</div>
</div>
<hr>
<table>
<tr>
<td>verification_result</td>
</tr>
<tr>
<td>TRUE</td>
</tr>
</table>
</div>
</div>
<hr>
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