user: Question: What was the retired time on someone who had 43 laps on a grip of 18?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Michael Schumacher', 'Ferrari', 44.0, '1:21:20.634', 1.0]
SQL:

assistant: SELECT "Time/Retired" FROM "Table" WHERE "Laps" = 43.0 AND "Grid" = 18.0;