Table:
0
A
B
C
D
E
1
Place
Player
Country
Score
To par
2
1
Retief Goosen
South Africa
68-70-69=207
–3
3
T2
Olin Browne
United States
67-71-72=210
E
4
T2
Jason Gore
United States
71-67-72=210
E
5
T4
Michael Campbell
New Zealand
71-69-71=211
+1
6
T4
Mark Hensby
Australia
71-68-72=211
+1
7
6
David Toms
United States
70-72-70=212
+2
8
T7
K. J. Choi
South Korea
69-70-74=213
+3
9
T7
Peter Hedblom
Sweden
77-66-70=213
+3
10
T7
Lee Westwood
England
68-72-73=213
+3
11
T7
Tiger Woods
United States
70-71-72=213
+3

Questions and formulas:
Question: what country hosted david toms
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="david toms"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,B2:B11="david toms"),3))
Level: medium