user: Question: What is the sum of all points in 1975 with 0 wins?
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 SUM("Points") FROM "Table" WHERE "Year" = 1975.0 AND "Wins" < 0.0;