user: ### NOW ANSWER:
Question: How many laps did the grid 1 Engine have?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Stirling Moss', 'Vanwall', 87.0, '2:35:03.9', 2.0]
SQL:

assistant: SELECT SUM("Laps") FROM "Table" WHERE "Time/Retired" = 'Engine' AND "Grid" = 1.0;