user: Question: What is the lowest Laps for mike spence, with a Grid smaller than 8?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Jim Clark', 'Lotus - Climax', 80.0, '2:03:59.1', 2.0]
SQL:

assistant: SELECT MIN("Laps") FROM "Table" WHERE "Driver" = 'mike spence' AND "Grid" < 8.0;