how many episodes ranked at least #4 for the night?
9
col : # | episode | air date | rating | share | 18-49 (rating/share) | viewers (m) | rank (night) | rank (timeslot) | rank (overall) row 1 : 1 | "welcome to the club" | october 12, 2007 | 7.3 | 13 | 2.5/8 | 10.82 | #1 | #1 | #26 row 2 : 2 | "train in vain" | october 19, 2007 | 6.5 | 12 | 2.0/6 | 9.69 | #2 | #1 | #37 row 3 : 3 | "blind dates and bleeding hearts" | october 26, 2007 | 6.1 | 11 | 1.9/6 | 8.90 | #1 | #1 | #41 row 4 : 4 | "grannies, guns, love mints" | november 2, 2007 | 6.4 | 11 | 1.9/6 | 9.47 | #1 | #1 | #35 row 5 : 5 | "maybe, baby" | november 9, 2007 | 6.5 | 11 | 2.0/6 | 9.70 | #1 | #1 | #36 row 6 : 6 | "play through the pain" | november 15, 2007 | 6.1 | 10 | 3.3/9 | 8.93 | #8 | #3 | #45 row 7 : 7 | "the past comes back to haunt you" | november 16, 2007 | 6.2 | 11 | 1.7/5 | 8.94 | #4 | #1 | #41 row 8 : 8 | "no opportunity necessary" | november 23, 2007 | 5.3 | 9 | 1.6/5 | 7.76 | #3 | #1 | #45 row 9 : 9 | "to drag & to hold" | december 7, 2007 | 5.8 | 10 | 1.8/5 | 8.58 | #2 | #1 | #32 row 10 : 10 | "fbi guy" | january 4, 2008 | 5.2 | 9 | 1.8/5 | 7.68 | #2 | #1 | #36 row 11 : 11 | "father's day" | april 29, 2008 | 5.8 | 9 | 1.9/5 | 8.14 | #7 | #2 | #42 row 12 : 12 | "and the truth will (sometimes) set you free" | may 6, 2008 | 6.1 | 10 | 2.2/6 | 8.68 | #8 | #2 |  row 13 : 13 | "never tell" | may 13, 2008 | 5.8 | 10 | 2.1/6 | 8.46 |  | #2 |
how many episodes ranked at least #4 for the night?
# Episode Air date Rating Share 18-49 (Rating/Share) Viewers (m) Rank (night) Rank (timeslot) Rank (overall)
1 "Welcome to the Club" October 12, 2007 7.3 13 2.5/8 10.82 #1 #1 #26
2 "Train In Vain" October 19, 2007 6.5 12 2.0/6 9.69 #2 #1 #37
3 "Blind Dates and Bleeding Hearts" October 26, 2007 6.1 11 1.9/6 8.90 #1 #1 #41
4 "Grannies, Guns, Love Mints" November 2, 2007 6.4 11 1.9/6 9.47 #1 #1 #35
5 "Maybe, Baby" November 9, 2007 6.5 11 2.0/6 9.70 #1 #1 #36
6 "Play Through the Pain" November 15, 2007 6.1 10 3.3/9 8.93 #8 #3 #45
7 "The Past Comes Back to Haunt You" November 16, 2007 6.2 11 1.7/5 8.94 #4 #1 #41
8 "No Opportunity Necessary" November 23, 2007 5.3 9 1.6/5 7.76 #3 #1 #45
9 "To Drag & To Hold" December 7, 2007 5.8 10 1.8/5 8.58 #2 #1 #32
10 "FBI Guy" January 4, 2008 5.2 9 1.8/5 7.68 #2 #1 #36
11 "Father's Day" April 29, 2008 5.8 9 1.9/5 8.14 #7 #2 #42
12 "And the Truth Will (Sometimes) Set You Free" May 6, 2008 6.1 10 2.2/6 8.68 #8 #2
13 "Never Tell" May 13, 2008 5.8 10 2.1/6 8.46 #2
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