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_1439096_1 (original_air_date__atv_ VARCHAR, episode_no VARCHAR)

### Question ###
What was the original air date (atv) of episode 1?

### Accurate SQL ###

SELECT original_air_date__atv_ FROM table_1439096_1 WHERE episode_no = 1