Table:
0
A
B
C
D
E
1
City
Round 1
Round 2
Round 3
Round 4
2
London
22
27
39
54
3
Paris
21
25
33
50
4
Madrid
20
32
31
—
5
New York City
19
16
—
—
6
Moscow
15
—
—
—

Questions and formulas:
Question: Round 3 with less than 54 for Round 4?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1=54),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,E2:E6=54),4))
Level: medium
Question: Round 4 for larger than 19 Round 1 and a 27 Round 2?
Formula: LET(query1,LET(query1,FILTER(A1:E1,C1=27),SUMMARIZE(CHOOSECOLS(query1,5),SUMX(CHOOSECOLS(query1,2)))),FILTER(query1,CHOOSECOLS(query1,2)>19))
Formula2: LET(query1,LET(query1,FILTER(A2:E6,C2:C6=27),SUMMARIZE(CHOOSECOLS(query1,5),SUMX(CHOOSECOLS(query1,2)))),FILTER(query1,CHOOSECOLS(query1,2)>19))
Level: hard
Question: Round 3 with a round 4 of 50?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1=50),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,E2:E6=50),4))
Level: medium