Table:
0
A
B
C
D
E
1
Year
Result
World Rank
Location
Date
2
1972
20.2
3rd
El Paso
Apr 15
3
1973
20.33
1st
Bakersfield
Jun 16
4
1974
20.2
4th
Viareggio
Aug 7
5
1975
19.8
1st
Eugene
Jun 7
6
1976
19.9
2nd
Gainesville
Apr 17
7
1977
20.31
5th
Kingston
May 13
8
1978
20.26
6th
Zurich
Aug 16
9
1980
20.26
5th
Brussels
Aug 22

Questions and formulas:
Question: Which World Rank has a Year smaller than 1977, and a Location of eugene?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(A1<1977)*(D1="eugene")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,(A2:A9<1977)*(D2:D9="eugene")),3))
Level: medium
Question: What's the lowest Year with a World Rank of 5th, with a Result greater than 20.31?
Formula: MIN(FILTER(A1, (C1="5th")*(B1>20.31)))
Formula2: MIN(FILTER(A2:A9, (C2:C9="5th")*(B2:B9>20.31)))
Level: easy
Question: Which Year has a Result smaller than 20.26, and a Location of eugene?
Formula: LET(query1,LET(query1,FILTER(A1:E1,D1="eugene"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,2)))),FILTER(query1,CHOOSECOLS(query1,2)<20.26))
Formula2: LET(query1,LET(query1,FILTER(A2:E9,D2:D9="eugene"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,2)))),FILTER(query1,CHOOSECOLS(query1,2)<20.26))
Level: hard
Question: What is the Result with a Location of brussels?
Formula: SUMIFS(B1,D1,"brussels")
Formula2: SUMIFS(B2:B9,D2:D9,"brussels")
Level: easy
Question: What Year has a Result smaller than 20.31, and a World Rank of 5th?
Formula: LET(query1,LET(query1,FILTER(A1:E1,C1="5th"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,2)))),FILTER(query1,CHOOSECOLS(query1,2)<20.31))
Formula2: LET(query1,LET(query1,FILTER(A2:E9,C2:C9="5th"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,2)))),FILTER(query1,CHOOSECOLS(query1,2)<20.31))
Level: hard