user: Question: How many laps have a Time/Retired of + 4 Laps, and a Driver of Graham Hill?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Jean-Pierre Beltoise', 'BRM', 80.0, '2:26:55.3', 4.0]
SQL:

assistant: SELECT "Laps" FROM "Table" WHERE "Time/Retired" = '+ 4 Laps' AND "Driver" = 'Graham Hill';