user: Question: Who was the manufacturer for the race on grid 12?
Columns: ['Rider', 'Manufacturer', 'Laps', 'Time', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Casey Stoner', 'Ducati', 30.0, '47:30.057', 1.0]
SQL:

assistant: SELECT "Manufacturer" FROM "Table" WHERE "Grid" = 12.0;