Table:
0
A
B
C
D
E
F
1
Player
Country
Year(s) won
Total
To par
Finish
2
Ernie Els
South Africa
1994 , 1997
280
E
T5
3
Tiger Woods
United States
2000 , 2002
283
+3
T20
4
Tom Watson
United States
1982
284
+4
T28
5
Retief Goosen
South Africa
2001
286
+6
T42
6
Lee Janzen
United States
1993 , 1998
289
+9
T55

Questions and formulas:
Question: What is the country for the player who had a To Par of +4?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1=4),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,E2:E6=4),2))
Level: medium
Question: What player from South Africa had a total less than 284?
Formula: LET(query1,LET(query1,FILTER(A1:F1,B1="south africa"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)<284))
Formula2: LET(query1,LET(query1,FILTER(A2:F6,B2:B6="south africa"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)<284))
Level: hard
Question: For the year won of 2001, what is the To Par?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1=2001),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,C2:C6=2001),5))
Level: medium