user: Question: Who is the manufacturer of the car driven by Bradley Smith?
Columns: ['Rider', 'Manufacturer', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Mika Kallio', 'KTM', '22', '38:51.450', '1']
SQL:

assistant: SELECT "Manufacturer" FROM "Table" WHERE "Rider" = 'Bradley Smith';