user: Question: What is the average amount of earnings for years under 2004 and money list rankings of 6?
Columns: ['Year', 'Wins', 'Earnings ($)', 'Money list rank', 'Average']
Types: ['real', 'real', 'real', 'text', 'real']
Sample row: [1999.0, 0.0, 34826.0, '130', 73.16]
SQL:

assistant: SELECT AVG("Earnings ($)") FROM "Table" WHERE "Money list rank" = '6' AND "Year" < 2004.0;