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_2570269_3 ( original_air_date__uk_ VARCHAR, episode_title VARCHAR )

### Question ###
What is the original air date of the episode 'Another Happy Day'?

### Accurate SQL ###

SELECT original_air_date__uk_ FROM table_2570269_3 WHERE episode_title = "Another Happy Day"