user: Question: What was mike hailwood's highest laps when he had a grid more than 7?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Emerson Fittipaldi', 'Lotus - Ford', 76.0, '1:47:50.2', 2.0]
SQL:

assistant: SELECT MAX("Laps") FROM "Table" WHERE "Driver" = 'mike hailwood' AND "Grid" > 7.0;