user: Question: How many points for the Cosworth V8 engine after 1985?
Columns: ['Year', 'Team', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1983.0, 'Arrows Racing Team', 'Arrows A6', 'Cosworth V8', 0.0]
SQL:

assistant: SELECT SUM("Points") FROM "Table" WHERE "Year" > 1985.0 AND "Engine" = 'Cosworth V8';