human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Series #, Season #, Episode, Directed by, Written by, Original air date, Viewers (in millions)
###Question: If the amount of viewers is 2.48 million, what is the original air date?
gpt
SELECT Original air date FROM table WHERE Viewers (in millions) = 2.48