user: Question: Which Manufacturer has a Time/Retired of Accident?
Columns: ['Rider', 'Manufacturer', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Marco Melandri', 'Aprilia', 25.0, '41:40.377', 2.0]
SQL:

assistant: SELECT "Manufacturer" FROM "Table" WHERE "Time/Retired" = 'Accident';