Table:
0
A
B
C
D
E
1
Player
Country
Year(s) won
Total
To par
2
Justin Leonard
United States
1997
145
+3
3
Nick Faldo
England
1987 , 1990 , 1992
146
+4
4
Tom Lehman
United States
1996
147
+5
5
John Daly
United States
1995
148
+6
6
Seve Ballesteros
Spain
1979 , 1984 , 1988
149
+7
7
Bob Charles
New Zealand
1963
149
+7
8
Tony Jacklin
England
1969
149
+7
9
Tom Watson
United States
1975 , 1977 , 1980 , 1982 , 1983
152
+10
10
Gary Player
South Africa
1959 , 1968 , 1974
159
+17

Questions and formulas:
Question: Which Country has a To par smaller than 7, and a Total of 148?
Formula: LET(query1,SUMMARIZE(B1,SUMX(E1),SUMX(D1)),FILTER(query1,(CHOOSECOLS(query1,2)<7)*(CHOOSECOLS(query1,3)=148)))
Formula2: LET(query1,SUMMARIZE(B2:B10,SUMX(E2:E10),SUMX(D2:D10)),FILTER(query1,(CHOOSECOLS(query1,2)<7)*(CHOOSECOLS(query1,3)=148)))
Level: hard
Question: Which player is from south africa?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="south africa"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,B2:B10="south africa"),1))
Level: medium
Question: Which Year(s) won has a Total larger than 148, and a To par smaller than 17, and a Country of new zealand?
Formula: LET(query1,LET(query1,FILTER(A1:E1,B1="new zealand"),SUMMARIZE(CHOOSECOLS(query1,3),SUMX(CHOOSECOLS(query1,4)),SUMX(CHOOSECOLS(query1,5)))),FILTER(query1,(CHOOSECOLS(query1,2)>148)*(CHOOSECOLS(query1,3)<17)))
Formula2: LET(query1,LET(query1,FILTER(A2:E10,B2:B10="new zealand"),SUMMARIZE(CHOOSECOLS(query1,3),SUMX(CHOOSECOLS(query1,4)),SUMX(CHOOSECOLS(query1,5)))),FILTER(query1,(CHOOSECOLS(query1,2)>148)*(CHOOSECOLS(query1,3)<17)))
Level: hard