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_25391981_3 (rank_by_average INTEGER, average VARCHAR)
### Question:
What is the rank by average for the team who averaged 22.8?
### Answer:
SELECT MIN(rank_by_average) FROM table_25391981_3 WHERE average = "22.8"