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_39 ( champion VARCHAR, course VARCHAR, date VARCHAR )

### Question ###
WHAT CHAMPION HAD RICHMOND RIVER COURSE ON JUNE 13?

### Accurate SQL ###

SELECT champion FROM table_name_39 WHERE course = "richmond river" AND date = "june 13"