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_80 (average INTEGER, team VARCHAR, goals VARCHAR, matches VARCHAR)

### Question ###
What is the largest Average with Goals smaller than 34, Matches larger than 30, and a Team of cultural leonesa?

### Accurate SQL ###

SELECT MAX(average) FROM table_name_80 WHERE goals < 34 AND matches > 30 AND team = "cultural leonesa"