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_1500146_1 ( rhel_release_date VARCHAR, scientific_linux_release VARCHAR )

### Question ###
When is the rhel release date when scientific linux release is 3.0.4

### Accurate SQL ###

SELECT rhel_release_date FROM table_1500146_1 WHERE scientific_linux_release = "3.0.4"