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_21 (losses INTEGER, points VARCHAR, goals_against VARCHAR, goal_difference VARCHAR)
### Question:
How many losses when goals against are more than 17, goal difference is more than 2 and points are more than 5?
### Answer:
SELECT AVG(losses) FROM table_name_21 WHERE goals_against > 17 AND goal_difference < 2 AND points > 5