user: ### NOW ANSWER:
Question: What is the sum number of grid where time/retired is 2:41:38.4 and laps were more than 40?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Jim Clark', 'Lotus - Climax', 40.0, '2:41:38.4', 1.0]
SQL:

assistant: SELECT COUNT("Grid") FROM "Table" WHERE "Time/Retired" = '2:41:38.4' AND "Laps" > 40.0;