user: Question: How many laps were there for a grid of 13?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Giancarlo Fisichella', 'Renault', 57.0, '1:24:17.336', 1.0]
SQL:

assistant: SELECT SUM("Laps") FROM "Table" WHERE "Grid" = 13.0;