user: Question: What is the average wins in 250cc class for Bultaco with 8 points later than 1966?
Columns: ['Year', 'Class', 'Team', 'Points', 'Wins']
Types: ['real', 'text', 'text', 'real', 'real']
Sample row: [1961.0, '500cc', 'Norton', 3.0, 0.0]
SQL:

assistant: SELECT AVG("Wins") FROM "Table" WHERE "Class" = '250cc' AND "Team" = 'Bultaco' AND "Year" > 1966.0 AND "Points" = 8.0;