user: Question: What are the lowest laps of Graham Hill?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Stirling Moss', 'Vanwall', 53.0, '2:09:15.1', 2.0]
SQL:

assistant: SELECT MIN("Laps") FROM "Table" WHERE "Driver" = 'Graham Hill';