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_12976038_1 (director VARCHAR, viewers__in_millions_ VARCHAR)

### Question ###
Who directed the episode that had 6.04 million viewers? 

### Accurate SQL ###

SELECT director FROM table_12976038_1 WHERE viewers__in_millions_ = "6.04"