user: Question: What was the F/Laps when the Wins were 0 and the Position was 4th?
Columns: ['Season', 'Series', 'Team', 'Races', 'Wins', 'Poles', 'F/Laps', 'Podiums', 'Points', 'Position']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2005', 'South American Formula Three', 'Dragão Motorsport', '18', '2', '2', '4', '6', '52', '6th']
SQL:

assistant: SELECT MIN("F/Laps") FROM "Table" WHERE "Wins" = '0' AND "Position" = '4th';