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_15893020_2 (average VARCHAR)
### Question:
What is the highest number of 5w when there was a 21.33 average?
### Answer:
SELECT MAX(5 AS w) FROM table_15893020_2 WHERE average = "21.33"