Table:
0
A
B
C
D
E
F
1
Episode number
Season
Original airing
Total viewers
Audience share (average)
Season viewer average
2
1
Season 1
17 February 2008
4.2m
18%
2.7m
3
2
Season 1
24 February 2008
2.5m
10%
2.7m
4
3
Season 1
2 March 2008
2.3m
9.4%
2.7m
5
4
Season 1
9 March 2008
2.5m
10%
2.7m
6
5
Season 1
16 March 2008
2m
8%
2.7m

Questions and formulas:
Question: Where the audience share is 8%, what is the original airing?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="8%"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,E2:E6="8%"),3))
Level: medium
Question: For episode number 2 what is the season viewer average?
Formula: LET(query1,SUMMARIZE(F1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=2))
Formula2: LET(query1,SUMMARIZE(F2:F6,SUMX(A2:A6)),FILTER(query1,CHOOSECOLS(query1,2)=2))
Level: hard
Question: What episode number has an audience share of 10%?
Formula: SUMIFS(A1,E1,"10%")
Formula2: SUMIFS(A2:A6,E2:E6,"10%")
Level: easy