Table:
0
A
B
C
D
E
1
Distance
Time
Date
Location
Notes
2
Men's Speed skating
Men's Speed skating
Men's Speed skating
Men's Speed skating
Men's Speed skating
3
Distance
Time
Date
Location
Notes
4
500 m
45.7
1931-02-01
Davos
Davos Eisstadion
5
1,000 m
1:35.6
1930-01-11
Davos
Eisstadion
6
1,500 m
2:27.9
1928-02-14
St. Moritz
St. Moritz Olympic Ice Rink
7
3,000 m
5:51.2
1932-01-08
Davos
Eisstadion
8
5,000 m
9:04.3
1931-02-02
Davos
Eisstadion
9
10,000 m
19:10.2
1928-02-05
Davos
Eisstadion

Questions and formulas:
Question: Which Date has Notes of notes?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="notes"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,E2:E9="notes"),3))
Level: medium
Question: Which Date has a Location of davos, and a Time of 45.7?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="davos")*(B1=45.7)),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,(D2:D9="davos")*(B2:B9=45.7)),3))
Level: medium
Question: Which Location has a Date of 1931-02-02?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="1931-02-02"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,C2:C9="1931-02-02"),4))
Level: medium
Question: Which Time has Notes of men's speed skating?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="men's speed skating"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,E2:E9="men's speed skating"),2))
Level: medium
Question: Which Location has Notes of eisstadion, and a Date of 1930-01-11?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="eisstadion")*(C1="1930-01-11")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,(E2:E9="eisstadion")*(C2:C9="1930-01-11")),4))
Level: medium
Question: Which Distance has a Date of 1930-01-11?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="1930-01-11"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,C2:C9="1930-01-11"),1))
Level: medium