Table:
0
A
B
C
D
E
1
Rank
Lane
Name
Nationality
Time
2
1
4
Inge de Bruijn
Netherlands
24.13
3
2
5
Amy Van Dyken
United States
25.00
4
3
2
Alison Sheppard
Great Britain
25.32
5
4
3
Martina Moravcová
Slovakia
25.49
6
5
1
Anna-Karin Kammerling
Sweden
25.61
7
5
6
Vivienne Rignall
New Zealand
25.61
8
7
7
Olga Mukomol
Ukraine
25.88
9
8
8
Rania Elwani
Egypt
25.95

Questions and formulas:
Question: What Nationality of the person who has a Rank of 4
Formula: LET(query1,SUMMARIZE(D1,SUMX(B1),SUMX(A1)),FILTER(query1,(CHOOSECOLS(query1,2)<4)*(CHOOSECOLS(query1,3)=4)))
Formula2: LET(query1,SUMMARIZE(D2:D9,SUMX(B2:B9),SUMX(A2:A9)),FILTER(query1,(CHOOSECOLS(query1,2)<4)*(CHOOSECOLS(query1,3)=4)))
Level: hard