Table:
0
A
B
C
D
E
F
1
No. in series
No. in season
Title
Directed by
Written by
Original air date
2
23
1
"We the People"
Les Landau
Donald P. Bellisario
January 3, 1997
3
24
2
"Secrets"
Ray Austin
Tom Towler
January 10, 1997
4
25
3
"Jinx"
Jerry Jameson
Jack Orman
January 17, 1997
5
26
4
"Heroes"
Tony Wharmby
R. Scott Gemmill
January 24, 1997
6
27
5
"Crossing the Line"
Tony Wharmby
Stephen Zito
January 31, 1997
7
28
6
"Trinity"
Alan J. Levi
Jack Orman
February 7, 1997
8
29
7
"Ghosts"
Ray Austin
R. Scott Gemmill
February 7, 1997
9
30
8
"Full Engagement"
Alan J. Levi
Jack Orman
February 21, 1997
10
31
9
"Washington Holiday"
Joe Napolitano
Stephen Zito
February 28, 1997
11
32
10
"The Game of Go"
Ray Austin
Tom Towler
February 28, 1997
12
33
11
"Force Recon"
Alan J. Levi
Tom Towler & Stephen Zito
March 7, 1997
13
34
12
"The Guardian"
Michael Schultz
Jack Orman
March 28, 1997
14
35
13
"Code Blue"
Tony Wharmby
R. Scott Gemmill
April 4, 1997
15
36
14
"Cowboys & Cossacks"
Tony Wharmby
R. Scott Gemmill
April 11, 1997

Questions and formulas:
Question: when was the premiere of the episode called "force recon"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="Force Recon"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F15,C2:C15="Force Recon"),6))
Level: medium
Question: which is the number of the season episode whose premiere was in january 3, 1997?
Formula: SUMIFS(B1,F1,"January 3, 1997")
Formula2: SUMIFS(B2:B15,F2:F15,"January 3, 1997")
Level: easy
Question: which is the number of the season episode whose writer is R. Scott Gemmill and the Director is Ray Austin?
Formula: SUM(FILTER(B1, (E1="R. Scott Gemmill")*(D1="Ray Austin")))
Formula2: SUM(FILTER(B2:B15, (E2:E15="R. Scott Gemmill")*(D2:D15="Ray Austin")))
Level: easy
Question: what is the name of the episode whose number of the series episode was 31?
Formula: LET(query1,SUMMARIZE(C1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=31))
Formula2: LET(query1,SUMMARIZE(C2:C15,SUMX(A2:A15)),FILTER(query1,CHOOSECOLS(query1,2)=31))
Level: hard