Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_4 (rebounds INTEGER, minutes_played VARCHAR, games_played VARCHAR)
### Question:
What is the average Rebounds, when Minutes Played is "113", and when Games Played is greater than "18"?
### Answer:
SELECT AVG(rebounds) FROM table_name_4 WHERE minutes_played = 113 AND games_played > 18