user: Question: what is the original air date of the episode directed by Ben Jones and written by Steven Melching? 
Columns: ['No.', '#', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code', 'Television order']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: [53.0, 1.0, '"Joker: The Vile and the Villainous!"', 'Ben Jones', 'Jim Krieg', 'April15,2011', 301.0, 'S03E01']
SQL:

assistant: SELECT "Original air date" FROM "Table" WHERE "Directed by" = 'Ben Jones' AND "Written by" = 'Steven Melching';