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_34 (drawn INTEGER, difference VARCHAR, against VARCHAR)

### Question ###
What is the mean drawn when the difference is 0 and the against stat is more than 31?

### Accurate SQL ###

SELECT AVG(drawn) FROM table_name_34 WHERE difference = "0" AND against > 31