user: Question: What class is Rob Collard in?
Columns: ['Team', 'Car Spec.', 'Drivers', 'Class', 'Rounds']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['VX Racing', 'S2000', 'Fabrizio Giovanardi', 'C', 'All']
SQL:

assistant: SELECT "Class" FROM "Table" WHERE "Drivers" = 'Rob Collard';