user: Question: what is the least laps for driver gerhard berger with a grid more than 6?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Damon Hill', 'Williams - Renault', 77.0, '1:47:39.098', 2.0]
SQL:

assistant: SELECT MIN("Laps") FROM "Table" WHERE "Driver" = 'gerhard berger' AND "Grid" > 6.0;