Table:
0
A
B
C
D
E
1
Player
Country
Year(s) won
Total
To par
2
Ernie Els
South Africa
1994 , 1997
148
+8
3
Fuzzy Zoeller
United States
1984
151
+11
4
Curtis Strange
United States
1988 , 1989
152
+12
5
Jack Nicklaus
United States
1962 , 1967 , 1972 , 1980
153
+13
6
Steve Jones
United States
1996
154
+14
7
Hale Irwin
United States
1974 , 1979 , 1990
WD
WD

Questions and formulas:
Question: What is Total, when Player is "Hale Irwin"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="hale irwin"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,A2:A7="hale irwin"),4))
Level: medium
Question: What is Player, when Country is "United States", and when To Par is "WD"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(B1="united states")*(E1="wd")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,(B2:B7="united states")*(E2:E7="wd")),1))
Level: medium
Question: What is Player, when Total is "154"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1=154),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,D2:D7=154),1))
Level: medium
Question: What is Player, when Country is "United States", and when Total is "154"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(B1="united states")*(D1=154)),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,(B2:B7="united states")*(D2:D7=154)),1))
Level: medium
Question: What is Country, when To Par is "+11"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="+11"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,E2:E7="+11"),2))
Level: medium
Question: What is Country, when Player is "Hale Irwin"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="hale irwin"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,A2:A7="hale irwin"),2))
Level: medium