Table:
0
A
B
C
D
E
1
Place
Player
Country
Score
To par
2
1
Gary Player
South Africa
67
–4
3
T2
Lee Trevino
United States
70
–1
4
T2
Jim Colbert
United States
70
–1
5
T2
Raymond Floyd
United States
70
–1
6
T5
Jack Nicklaus
United States
71
E
7
T5
Johnny Miller
United States
71
E
8
T5
Arnold Palmer
United States
71
E
9
T5
Gene Littler
United States
71
E
10
T5
Bob Charles
New Zealand
71
E
11
T5
Ralph Johnston
United States
71
E

Questions and formulas:
Question: Who are the players that placed t2?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="t2"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,A2:A11="t2"),2))
Level: medium
Question: Which country is Lee Trevino from?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="lee trevino"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,B2:B11="lee trevino"),3))
Level: medium
Question: Which player(s) is from South Africa?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="south africa"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,C2:C11="south africa"),2))
Level: medium