table: 1-11274401-3
columns: No., Episode, Air Date, Timeslot, Rating, Share, 18–49 (Rating/Share), Viewers (m), Rank (#)
Q: What's the 18-49 (rating/share) of the episode that originally aired on May 5, 2009?
A: SELECT 18–49 (Rating/Share) FROM 1-11274401-3 WHERE Air Date = 'May 5, 2009'