user: Question: What is the average year with an average start smaller than 6.3 and fewer than 0 wins?
Columns: ['Year', 'Starts', 'Wins', 'Top 5', 'Top 10', 'Poles', 'Avg. Start', 'Avg. Finish', 'Winnings', 'Position']
Types: ['real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'text', 'text']
Sample row: [2001.0, 3.0, 0.0, 1.0, 1.0, 0.0, 6.3, 13.0, '$70,266', '60th']
SQL:

assistant: SELECT AVG("Year") FROM "Table" WHERE "Avg. Start" < 6.3 AND "Wins" < 0.0;