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_name_45 (byes INTEGER, wins VARCHAR, against VARCHAR, club VARCHAR)

### Question ###
Which Byes has an Against smaller than 1297, and a Club of avoca, and Wins larger than 12?

### Accurate SQL ###

SELECT AVG(byes) FROM table_name_45 WHERE against < 1297 AND club = "avoca" AND wins > 12