What date did the episode, with John O'Connell as the coach, premier? 
CREATE TABLE table_2140071_5 (premier_date VARCHAR, coach VARCHAR)
SELECT premier_date FROM table_2140071_5 WHERE coach = "John O'Connell"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2140071_5 (premier_date VARCHAR, coach VARCHAR) Question: What date did the episode, with John O'Connell as the coach, premier?  [/INST] SELECT premier_date FROM table_2140071_5 WHERE coach = "John O'Connell" </s>