Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the average Rebounds, when Minutes Played is "113", and when Games Played is greater than "18"?

### Inputs:
table_name: table, 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']

### Response:
SELECT AVG Rebounds FROM table WHERE Minutes Played = 113 AND Games Played > 18