Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: 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?

### Accurate SQL ###

SELECT MIN(rank_by_average) FROM table_25391981_3 WHERE average = "22.8"