human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Episode number Production number, Title, Original airdate, Rating/Share in Households, 18–49 Rating Live+SD / Live+7, Share, Live+SD Total viewers, Live+7 Day DVR Total viewers
###Question: When did the fourth episode of the season (4 1-04) first air?
gpt
SELECT Original airdate FROM table WHERE Episode number Production number = 4 1-04