Table:
0
A
B
C
D
E
1
Episode No.
Airdate
Total Viewers
Share
BBC One Weekly Ranking
2
1
28 August 2007
2,715,000
18.8%
N/A
3
2
29 August 2007
2,344,000
17.6%
N/A
4
3
30 August 2007
2,366,000
15.8%
N/A
5
4
3 September 2007
2,390,000
17.5%
N/A
6
5
4 September 2007
2,583,000
19.2%
N/A
7
6
5 September 2007
2,367,000
19.6%
N/A

Questions and formulas:
Question: What's the average total viewers that has 17.6% Share?
Formula: AVERAGEIFS(C1,D1,"17.6%")
Formula2: AVERAGEIFS(C2:C7,D2:D7,"17.6%")
Level: easy
Question: What's the share of Episode 1?
Formula: LET(query1,SUMMARIZE(D1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=1))
Formula2: LET(query1,SUMMARIZE(D2:D7,SUMX(A2:A7)),FILTER(query1,CHOOSECOLS(query1,2)=1))
Level: hard