Table:
0
A
B
C
D
E
F
1
Episode #
The Wørd
Guest
Introductory phrase
Original airdate
Production code
2
669
"Siren Song"
Nicole Miller, Jessica Smith, Harold Ford, Jr.
None
February 1
6017
3
673
"Faux 'n' Tell"
Jonathan Safran Foer
None
February 8
6021
4
674
"None"
Chris Dodd , George Stephanopoulos
None
February 9
6022
5
676
"Political Suicide"
Al Michaels , David Ross
None
February 11
6024
6
678
"None"
Lindsey Vonn , Bob Costas
None
February 23
6026

Questions and formulas:
Question: What was the word for the episode that aired February 11? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="February 11"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,E2:E6="February 11"),2))
Level: medium
Question: What was the introductory phrase for the episode with the production bode 6026?
Formula: LET(query1,SUMMARIZE(D1,SUMX(F1)),FILTER(query1,CHOOSECOLS(query1,2)=6026))
Formula2: LET(query1,SUMMARIZE(D2:D6,SUMX(F2:F6)),FILTER(query1,CHOOSECOLS(query1,2)=6026))
Level: hard
Question: What was the word on episode number 673? 
Formula: LET(query1,SUMMARIZE(B1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=673))
Formula2: LET(query1,SUMMARIZE(B2:B6,SUMX(A2:A6)),FILTER(query1,CHOOSECOLS(query1,2)=673))
Level: hard
Question: Who were the guests in the episode with production code 6021? 
Formula: LET(query1,SUMMARIZE(C1,SUMX(F1)),FILTER(query1,CHOOSECOLS(query1,2)=6021))
Formula2: LET(query1,SUMMARIZE(C2:C6,SUMX(F2:F6)),FILTER(query1,CHOOSECOLS(query1,2)=6021))
Level: hard