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<hr>
<h3><span>Statement:</span> there were more than two zakspeed chassis made in the year 1987</h3>
<h3>Input Table: zakspeed</h3>
<div class="step">
<div class="step">
<div class="step-title">Step 1: Select rows where 'year' is 1987.</div>
<div id="step-1" class="content">
<table>
<tr>
<td>year</td>
<td>chassis</td>
<td>engine__s</td>
<td>tyres</td>
<td>points</td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">1985</span></td>
<td>zakspeed 841</td>
<td>zakspeed s4 t / c</td>
<td>g</td>
<td>0</td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">1986</span></td>
<td>zakspeed 861</td>
<td>zakspeed s4 t / c</td>
<td>g</td>
<td>0</td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1987</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">zakspeed 861 zakspeed 871</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">zakspeed s4 t / c</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">g</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2</span></td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">1988</span></td>
<td>zakspeed 881</td>
<td>zakspeed s4 t / c</td>
<td>g</td>
<td>0</td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">1989</span></td>
<td>zakspeed 891</td>
<td>yamaha v8</td>
<td>p</td>
<td>0</td>
</tr>
</table>
</div>
<hr>
<div class="step">
<div class="step-title">Step 2: Extract the number of zakspeed chassis from the 'chassis' column by identifying the number of chassis separated by spaces to add column 'num_chassis' to existing table.</div>
<div id="step-0" class="content">
<table>
<tr>
<td>year</td>
<td>chassis</td>
<td>engine__s</td>
<td>tyres</td>
<td>points</td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1987</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">zakspeed 861 zakspeed 871</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">zakspeed s4 t / c</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">g</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2</span></td>
</tr>
</table>
</div>
</div>
<hr>
<div class="step">
<div class="step-title">Step 3: Select rows where 'num_chassis' is greater than 2.</div>
<div id="step-1" class="content">
<table>
<tr>
<td>year</td>
<td>chassis</td>
<td>engine__s</td>
<td>tyres</td>
<td>points</td>
<td>num_chassis</td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">1987</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">zakspeed 861 zakspeed 871</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">zakspeed s4 t / c</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">g</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">16</span></td>
</tr>
</table>
</div>
</div>
<hr>
<div class="step">
<div class="step-title">Step 4: Use a `CASE` statement to return TRUE if the number of rows is greater than 0, otherwise return FALSE.</div>
<div id="step-2" class="content">
<table>
<tr>
<td>year</td>
<td>chassis</td>
<td>engine__s</td>
<td>tyres</td>
<td>points</td>
<td>num_chassis</td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1987</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">zakspeed 861 zakspeed 871</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">zakspeed s4 t / c</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">g</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2</span></td>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">16</span></td>
</tr>
</table>
</div>
</div>
<hr>
<div class="step">
<div class="step-title">Final output table:</div>
<div id="step-3" class="content">
<table>
<tr>
<td>verification_result</td>
</tr>
<tr>
<td>TRUE</td>
</tr>
</table>
</div>
</div>
<hr>
<h3>Prediction:</span> TRUE</h3>
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