user: Question: What points average has a played greater than 20?
Columns: ['Position', 'Team', 'Points', 'Played', 'Drawn', 'Lost', 'Against', 'Difference']
Types: ['real', 'text', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: [1.0, 'Palmeiras', 36.0, 20.0, 2.0, 1.0, 16.0, '35']
SQL:

assistant: SELECT AVG("Points") FROM "Table" WHERE "Played" > 20.0;