user: Question: What was the latest year that a bardahl entrant had a kurtis kraft 500c chassis with no more than 0 points?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1950.0, 'Pioneer Auto Repair', 'Wetteroth', 'Offenhauser L4', 0.0]
SQL:

assistant: SELECT MAX("Year") FROM "Table" WHERE "Chassis" = 'kurtis kraft 500c' AND "Entrant" = 'bardahl' AND "Points" < 0.0;