Table:
text: Desperate Housewives (season 5)
United States
United States
Episode_number_Production_number Title Original_airing Rating Share_ _18_49 Total_viewers_in_millions Rank_per_week
109 5-22 Marry Me a Little May 10, 2009 7.7 12 4.1 12.293 #13
110 5-23 Everybody Says Don`t May 17, 2009 8.7 14 4.7 13.956 #9
111 5-24 If It`s Only In Your Head May 17, 2009 8.7 14 4.7 13.956 #9

Question: What was the lowest number of viewers for Desperate Housewives (season 5) episode production number 109 5-22 in the United States?