Table:
0
A
B
C
D
E
1
Episode
Broadcast date
Run time
Viewers (in millions)
Archive
2
" Episode One "
19May1973
25:55
9.2
PAL 2" colour videotape
3
" Episode Two "
26May1973
25:56
7.2
PAL 2" colour videotape
4
" Episode Three "
2June1973
25:12
7.8
PAL 2" colour videotape
5
" Episode Four "
9June1973
25:47
6.8
PAL 2" colour videotape
6
" Episode Five "
16June1973
25:20
8.3
PAL 2" colour videotape
7
" Episode Six "
23June1973
26:06
7.0
PAL 2" colour videotape

Questions and formulas:
Question: What is the broadcast date when 8.3 million viewers watched?
Formula: LET(query1,SUMMARIZE(B1,SUMX(D1)),FILTER(query1,CHOOSECOLS(query1,2)=8.3))
Formula2: LET(query1,SUMMARIZE(B2:B7,SUMX(D2:D7)),FILTER(query1,CHOOSECOLS(query1,2)=8.3))
Level: hard
Question: What is the broadcast date of the episode with run time 25:12?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="25:12"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,C2:C7="25:12"),2))
Level: medium
Question: How many million viewers watched the episode that runs 25:55 minutes?
Formula: SUMIFS(D1,C1,"25:55")
Formula2: SUMIFS(D2:D7,C2:C7,"25:55")
Level: easy