user: Question: what is the average wins when percent is more than 0.4 and teams is Chargers~?
Columns: ['Quarterback', 'Games', 'Teams', 'Wins', 'Losses', 'Percent']
Types: ['text', 'real', 'text', 'real', 'real', 'real']
Sample row: ['Trent Dilfer Category:Articles with hCards', 6.0, 'Buccaneers', 1.0, 1.0, 0.833]
SQL:

assistant: SELECT AVG("Wins") FROM "Table" WHERE "Percent" > 0.4 AND "Teams" = 'Chargers~';