user: Question: When did grid 8 finish?
Columns: ['Name', 'Team', 'Laps', 'Time/Retired', 'Grid', 'Points']
Types: ['text', 'text', 'real', 'text', 'real', 'real']
Sample row: ['Garth Tander', 'Holden Racing Team', 31.0, '50:19.8503', 1.0, 100.0]
SQL:

assistant: SELECT "Time/Retired" FROM "Table" WHERE "Grid" = 8.0;