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_15301258_1 ( best_supporting_actress VARCHAR, best_supporting_actor VARCHAR )

### Question ###
Name the best supporting actress for sun honglei for mongol

### Accurate SQL ###

SELECT best_supporting_actress FROM table_15301258_1 WHERE best_supporting_actor = "Sun Honglei for Mongol"