Table:
0
A
B
C
D
E
1
Driver
Seasons
Entries
Poles
Percentage
2
Michael Schumacher
1991 – 2006 , 2010 – 2012
308
68
22.08%
3
Ayrton Senna
1984 – 1994
162
65
40.12%
4
Sebastian Vettel
2007 – 2013
118
43
36.44%
5
Jim Clark
1960 – 1968
73
33
45.21%
6
Alain Prost
1980 – 1991 , 1993
202
33
16.34%
7
Nigel Mansell
1980 – 1992 , 1994 – 1995
191
32
16.75%
8
Lewis Hamilton
2007 – 2013
127
31
24.41%
9
Juan Manuel Fangio
1950 – 1951 , 1953 – 1958
52
29
55.77%
10
Mika Häkkinen
1991 – 2001
165
26
15.76%
11
Niki Lauda
1971 – 1979 , 1982 – 1985
177
24
13.56%
12
Nelson Piquet
1978 – 1991
207
24
11.59%

Questions and formulas:
Question: Which season has a percentage of 13.56%?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="13.56%"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,E2:E12="13.56%"),2))
Level: medium
Question: How many poles has a percentage of 22.08%?
Formula: SUMIFS(D1,E1,"22.08%")
Formula2: SUMIFS(D2:D12,E2:E12,"22.08%")
Level: easy
Question: How many poles does driver Nelson Piquet have?
Formula: SUMIFS(D1,A1,"nelson piquet")
Formula2: SUMIFS(D2:D12,A2:A12,"nelson piquet")
Level: easy