user: Question: What is the average number of points of the team with more than 18 played?
Columns: ['Position', 'Team', 'Played', 'Wins', 'Draws', 'Losses', 'Scored', 'Conceded', 'Points']
Types: ['real', 'text', 'real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Libertad *', 18.0, 9.0, 6.0, 3.0, 32.0, 20.0, 33.0]
SQL:

assistant: SELECT AVG("Points") FROM "Table" WHERE "Played" > 18.0;