Statement: alfredo binda won six races of the 1933 giro d'italia , but he was the race leader for 13 races

Input Table: 1933 giro d'italia

Step 1: Select rows where 'winner' is 'alfredo binda'.
date course distance winner race_leader
9999-05-06 milan to turin - learco guerra ( ita ) learco guerra ( ita )
9999-05-07 turin to genoa - alfredo binda ( ita ) alfredo binda ( ita )
9999-05-08 genoa to pisa - learco guerra ( ita ) alfredo binda ( ita )
9999-05-09 rest day rest day rest day rest day
9999-05-10 pisa to florence - giuseppe olmo ( ita ) alfredo binda ( ita )
9999-05-11 florence to grosseto - learco guerra ( ita ) jef demuysere ( bel )
9999-05-12 grosseto to rome - mario cipriani ( ita ) jef demuysere ( bel )
9999-05-13 rest day rest day rest day rest day
9999-05-14 rome to naples - gerard loncke ( bel ) jef demuysere ( bel )
9999-05-15 naples to foggia - alfredo binda ( ita ) alfredo binda ( ita )
9999-05-16 rest day rest day rest day rest day
9999-05-17 foggia to chieti - alfredo binda ( ita ) alfredo binda ( ita )
9999-05-18 chieti to ascoli piceno - alfredo binda ( ita ) alfredo binda ( ita )
9999-05-19 rest day rest day rest day rest day
9999-05-20 ascoli piceno to riccione - fernand cornez ( fra ) alfredo binda ( ita )
9999-05-21 riccione to bologna - giuseppe olmo ( ita ) alfredo binda ( ita )
9999-05-22 bologna to ferrara - alfredo binda ( ita ) alfredo binda ( ita )
9999-05-23 rest day rest day rest day rest day
9999-05-24 ferrara to udine - ettore meini ( ita ) alfredo binda ( ita )
9999-05-25 udine to bassano del grappa - ettore meini ( ita ) alfredo binda ( ita )
9999-05-26 bassano del grappa to bolzano - gerard loncke ( bel ) alfredo binda ( ita )
9999-05-27 rest day rest day rest day rest day
9999-05-28 bolzano to milan - alfredo binda ( ita ) alfredo binda ( ita )
2023-09-20 - km (mi) - km (mi)
Step 2: Use a `CASE` statement to return TRUE if the number of rows is equal to 6, otherwise return FALSE.
date course distance winner race_leader