human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Scientific Linux Release, Architectures, RHEL base, Scientific Linux release date, RHEL release date, Delay
###Question: When is the rhel release date when scientific linux release is 3.0.4
gpt
SELECT RHEL release date FROM table WHERE Scientific Linux Release = 3.0.4