Table:
0
A
B
C
D
E
1
Player
Country
Year(s) won
Total
To par
2
Gary Player
South Africa
1961 , 1974 , 1978
150
+6
3
Craig Stadler
United States
1982
150
+6
4
Raymond Floyd
United States
1976
152
+8
5
Gay Brewer
United States
1967
153
+9
6
Billy Casper
United States
1970
153
+9
7
Charles Coody
United States
1971
153
+9
8
George Archer
United States
1969
155
+11
9
Tommy Aaron
United States
1973
156
+12
10
Doug Ford
United States
1957
156
+12
11
Arnold Palmer
United States
1958 , 1960 , 1962 , 1964
156
+12
12
Bob Goalby
United States
1968
160
+16

Questions and formulas:
Question: What is the country of Craig Stadler?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="craig stadler"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,A2:A12="craig stadler"),2))
Level: medium
Question: What is the average total of Gay Brewer from the United States with a to par of 9?
Formula: AVERAGE(FILTER(D1, (B1="united states")*(E1=9)*(A1="gay brewer")))
Formula2: AVERAGE(FILTER(D2:D12, (B2:B12="united states")*(E2:E12=9)*(A2:A12="gay brewer")))
Level: easy