user: Question: What class has over 0 wins and 42 points?
Columns: ['Year', 'Class', 'Team', 'Points', 'Rank', 'Wins']
Types: ['real', 'text', 'text', 'real', 'text', 'real']
Sample row: [1969.0, '350cc', 'Aermacchi', 2.0, '42nd', 0.0]
SQL:

assistant: SELECT "Class" FROM "Table" WHERE "Wins" > 0.0 AND "Points" = 42.0;