user: ### NOW ANSWER:
Question: What is the average Rebounds, when Minutes Played is "113", and when Games Played is greater than "18"?
Columns: ['Player', 'Games Played', 'Minutes Played', 'Minutes Played Per Game', 'Rebounds', 'Rebounds Per Game', 'Assists', 'Assists Per Game', 'Field Goal %', 'Free Throw %', 'Points', 'Points Per Game']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Allan Houston', 78.0, 2858.0, 36.6, 283.0, 3.6, 173.0, 2.2, 0.449, 0.909, 1459.0, 18.7]
SQL:

assistant: SELECT AVG("Rebounds") FROM "Table" WHERE "Minutes Played" = 113.0 AND "Games Played" > 18.0;