user: Question: How many grids had a Time/Retired of +4 laps?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Fernando Alonso', 'Renault', 57.0, '1:29:18.531', 1.0]
SQL:

assistant: SELECT COUNT("Grid") FROM "Table" WHERE "Time/Retired" = '+4 laps';