Table:
0
A
B
C
D
E
1
Episode
Broadcast date
Run time
Viewers (in millions)
Archive
2
" Episode 1 "
8April1967
23:47
8.0
16mm t/r
3
" Episode 2 "
15April1967
25:22
6.4
Only stills and/or fragments exist
4
" Episode 3 "
22April1967
23:10
7.9
16mm t/r
5
" Episode 4 "
29April1967
24:28
6.9
Only stills and/or fragments exist
6
" Episode 5 "
6May1967
23:34
7.1
Only stills and/or fragments exist
7
" Episode 6 "
13May1967
23:38
8.0
Only stills and/or fragments exist

Questions and formulas:
Question: What is the run time for the episode with 7.9 million viewers?
Formula: LET(query1,SUMMARIZE(C1,SUMX(D1)),FILTER(query1,CHOOSECOLS(query1,2)=7.9))
Formula2: LET(query1,SUMMARIZE(C2:C7,SUMX(D2:D7)),FILTER(query1,CHOOSECOLS(query1,2)=7.9))
Level: hard
Question: What episode had a run time of 23:38?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="23:38"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,C2:C7="23:38"),1))
Level: medium
Question: How many million viewers watched the episode with a run time of 25:22?
Formula: SUMIFS(D1,C1,"25:22")
Formula2: SUMIFS(D2:D7,C2:C7,"25:22")
Level: easy