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_15988037_24 (total INTEGER, average VARCHAR)
### Question:
What is the maximum total in which the average is 28.5?
### Answer:
SELECT MAX(total) FROM table_15988037_24 WHERE average = "28.5"