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_29063233_1 ( original_air_date VARCHAR, uk_viewers__million_ VARCHAR )

### Question ###
What was the airdate of the episode with a UK viewership of 6.02 million?

### Accurate SQL ###

SELECT original_air_date FROM table_29063233_1 WHERE uk_viewers__million_ = "6.02"