user: Question: What engine did Riccardo Patrese use?
Columns: ['Entrant', 'Constructor', 'Chassis', 'Engine', 'Tyre', 'Driver', 'Rounds']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Canon Williams Renault', 'Williams - Renault', 'FW15C', 'Renault RS5 3.5 V10', 'G', 'Damon Hill', 'All']
SQL:

assistant: SELECT "Engine" FROM "Table" WHERE "Driver" = 'Riccardo Patrese';