user: Question: What is the sum of grids with an Engine in Time/Retired with less than 45 laps for Giancarlo Baghetti?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Jackie Stewart', 'BRM', 76.0, '2:04:52.8', 3.0]
SQL:

assistant: SELECT SUM("Grid") FROM "Table" WHERE "Time/Retired" = 'Engine' AND "Laps" < 45.0 AND "Driver" = 'Giancarlo Baghetti';