Table:
0
A
B
C
D
E
F
G
1
No. in season
No. in series
Title
Directed by
Written by
Original air date
U.S. viewers (million)
2
1
69
"Line of Departure"
John T. Kretchmer
Debra Fordham
March 6, 2011
4.2
3
2
70
"Command Presence"
Carl Lawrence Ludwig
Karen Maser
March 13, 2011
3.3
4
3
71
"Movement to Contact"
John T. Kretchmer
Rebecca Dameron
March 20, 2011
3.8
5
4
72
"On Behalf of a Grateful Nation"
John Terlesky
T.J. Brady & Rasheed Newson
March 27, 2011
4.7
6
5
73
"Soldier On"
Rob Spera
Bill Rinier
April 3, 2011
3.3
7
6
74
"Walking Wounded"
Chris Peppe
James Stanley
April 10, 2011
3.4
8
7
75
"Strategic Alliances"
Melanie Mayron
T.D. Mitchell
April 17, 2011
3.4
9
8
76
"Supporting Arms"
Emile Levisetti
Mary Leah Sutton
May 1, 2011
3.1
10
9
77
"Countermeasures"
James Bruce
Debra Fordham
May 8, 2011
3.3
11
10
78
"Battle Buddies"
Brian McNamara
Tanya Biank
May 15, 2011
3.2
12
11
79
"Drop Zone"
Rob Spera
James Stanley
May 22, 2011
3.6
13
12
80
"Firefight"
John Terlesky
Rasheed Newson
June 5, 2011
3.4

Questions and formulas:
Question: The episode written by Rebecca Dameron aired on what date? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,E1="Rebecca Dameron"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G13,E2:E13="Rebecca Dameron"),6))
Level: medium
Question: Which episode in the series drew 3.6 million U.S. viewers? 
Formula: SUM(FILTER(B1, G1=3.6))
Formula2: SUM(FILTER(B2:B13, G2:G13=3.6))
Level: easy
Question: Who wrote the episode that aired on April 17, 2011? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1="April 17, 2011"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G13,F2:F13="April 17, 2011"),5))
Level: medium
Question: How many times did episode 79 originally air? 
Formula: ROWS(UNIQUE(FILTER(F1, B1=79)))
Formula2: ROWS(UNIQUE(FILTER(F2:F13, B2:B13=79)))
Level: medium
Question: How many millions of views in the country watched "Line of Departure"?
Formula: SUMIFS(G1,C1,"Line of Departure")
Formula2: SUMIFS(G2:G13,C2:C13,"Line of Departure")
Level: easy