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_20360535_4 (original_air_date VARCHAR, directed_by VARCHAR, written_by VARCHAR)

### Question ###
what is the original air date of the episode directed by Ben Jones and written by Steven Melching? 

### Accurate SQL ###

SELECT original_air_date FROM table_20360535_4 WHERE directed_by = "Ben Jones" AND written_by = "Steven Melching"