user: Question: how many laps were there when the grid was 24?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Niki Lauda', 'Ferrari', 54.0, '1:40:18.84', 1.0]
SQL:

assistant: SELECT SUM("Laps") FROM "Table" WHERE "Grid" = 24.0;