user: Question: What is the smallest Earnings that has a Money list rank of 6 and Starts smaller than 22?
Columns: ['Year', 'Starts', 'Cuts made', 'Wins', 'Top 10', 'Top 25', 'Earnings ($)', 'Money list rank']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: ['2006', 2.0, 2.0, 0.0, 1.0, 2.0, 338067.0, '(non-member)']
SQL:

assistant: SELECT MIN("Earnings ($)") FROM "Table" WHERE "Money list rank" = '6' AND "Starts" < 22.0;