user: Question: How many wins have a year after 1976, and 350cc as the class?
Columns: ['Year', 'Class', 'Team', 'Points', 'Wins']
Types: ['real', 'text', 'text', 'real', 'real']
Sample row: [1973.0, '350cc', 'Harley Davidson', 8.0, 0.0]
SQL:

assistant: SELECT SUM("Wins") FROM "Table" WHERE "Year" > 1976.0 AND "Class" = '350cc';