user: Question: Which year had a Cosworth V8 engine and 12 points?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1974.0, 'March Engineering', 'March 741', 'Cosworth V8', 5.0]
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "Points" = 12.0 AND "Engine" = 'Cosworth V8';