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_2140071_5 ( premier_date VARCHAR, coach VARCHAR )

### Question ###
What date did the episode, with John O'Connell as the coach, premier?

### Accurate SQL ###

SELECT premier_date FROM table_2140071_5 WHERE coach = "John O'Connell"