user: ### NOW ANSWER:
Question: What is the average Year, when Start is "11"?
Columns: ['Year', 'Manufacturer', 'Start', 'Finish', 'Team']
Types: ['real', 'text', 'real', 'real', 'text']
Sample row: [1959.0, 'Chevrolet', 13.0, 40.0, 'Buck Baker']
SQL:

assistant: SELECT AVG("Year") FROM "Table" WHERE "Start" = 11.0;