Table:
0
A
B
C
D
E
1
Show
Date
Official ratings (millions)
Weekly rank
Share
2
Auditions 1
12 April
9.44
6
37.0%
3
Auditions 2
19 April
10.96
1
43.3%
4
Auditions 3
26 April
9.86
3
41.3%
5
Auditions 4
3 May
9.12
5
39.1%
6
Auditions 5
10 May
8.17
6
37.9%
7
Auditions 6
17 May
9.11
2
37.5%
8
Auditions 7
24 May
8.27
5
37.2%
9
Semi-final 1
26 May
11.33
4
42.0%
10
Semi-final 2
27 May
9.29
9
35.3%
11
Semi-final 3
28 May
10.03
6
35.9%
12
Semi-final 4
29 May
10.13
5
41.9%
13
Semi-final 5
30 May
11.86
2
50.0%
14
Live final
31 May
11.52
3
51.1%
15
Live final results
31 May
13.88
1
55.1%
16
Series average
2008
10.21
TBC
41.8%

Questions and formulas:
Question: When were the shares 39.1%?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="39.1%"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E16,E2:E16="39.1%"),2))
Level: medium
Question: Which show aired on 19 april?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="19 april"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E16,B2:B16="19 april"),1))
Level: medium