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_91 (sixth VARCHAR, fourth VARCHAR, first VARCHAR)

### Question ###
What team placed sixth during the season where Western Australia placed fourth and Tasmania placed first?

### Accurate SQL ###

SELECT sixth FROM table_name_91 WHERE fourth = "western australia" AND first = "tasmania"