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_27753492_2 ( mixed_doubles VARCHAR, tour VARCHAR )

### Question ###
Who is the mixed doubled on the tour korea super series?

### Accurate SQL ###

SELECT mixed_doubles FROM table_27753492_2 WHERE tour = "Korea Super Series"