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_75 (average INTEGER, swimsuit VARCHAR, evening_gown VARCHAR)

### Question ###
Which is the largest average number when the swimsuit is 9.4 and the evening gown stat is less than 9.486?

### Accurate SQL ###

SELECT MAX(average) FROM table_name_75 WHERE swimsuit = 9.4 AND evening_gown < 9.486