user: ### NOW ANSWER:
Question: What chassis was the car with the Volkswagen engine built on in 2010?
Columns: ['Season', 'Champion', 'Team', 'Chassis', 'Engine']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2013', 'Marvin Kirchhöfer', 'Lotus', 'Dallara F311', 'Volkswagen']
SQL:

assistant: SELECT "Chassis" FROM "Table" WHERE "Engine" = 'Volkswagen' AND "Season" = '2010';