user: Question: What was the most recent year when a G-Force chassis started in 1st?
Columns: ['Year', 'Chassis', 'Engine', 'Start', 'Finish', 'Team']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1985.0, 'Lola', 'Cosworth', '20th', '7th', 'Bettenhausen']
SQL:

assistant: SELECT MAX("Year") FROM "Table" WHERE "Start" = '1st' AND "Chassis" = 'G-Force';