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_46 (best_score INTEGER, worst_score VARCHAR)
### Question:
What's the best average score with a bad score of 15?
### Answer:
SELECT AVG(best_score) FROM table_name_46 WHERE worst_score = 15