Table:
0
A
B
C
D
E
1
Episode
Broadcast date
Run time
Viewers (in millions)
Archive
2
" A Land of Fear "
8August1964
24:24
6.9
16mm t/r
3
" Guests of Madame Guillotine "
15August1964
24:04
6.9
16mm t/r
4
" A Change of Identity "
22August1964
25:23
6.9
16mm t/r
5
" The Tyrant of France "
29August1964
24:46
6.4
Only stills and/or fragments exist
6
" A Bargain of Necessity "
5September1964
23:51
6.9
Only stills and/or fragments exist
7
" Prisoners of Conciergerie "
12September1964
25:04
6.4
16mm t/r

Questions and formulas:
Question: Name the broadcast date for 6.4 million viewers for the archive of 16mm t/r
Formula: LET(query1,LET(query1,FILTER(A1:E1,E1="16mm t/r"),SUMMARIZE(CHOOSECOLS(query1,2),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)=6.4))
Formula2: LET(query1,LET(query1,FILTER(A2:E7,E2:E7="16mm t/r"),SUMMARIZE(CHOOSECOLS(query1,2),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)=6.4))
Level: hard
Question: Name the archive where run time 24:04
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="24:04"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,C2:C7="24:04"),5))
Level: medium