Table:
0
A
B
C
D
E
1
Player
Nationality
Position
Years in Toronto
School/Club Team
2
Antonio Lang
United States
Guard-Forward
1999-2000
Duke
3
Voshon Lenard
United States
Guard
2002-03
Minnesota
4
Martin Lewis
United States
Guard-Forward
1996-97
Butler CC (KS)
5
Brad Lohaus
United States
Forward-Center
1996
Iowa
6
Art Long
United States
Forward-Center
2002-03
Cincinnati
7
John Long
United States
Guard
1996-97
Detroit
8
Kyle Lowry
United States
Guard
2012-Present
Villanova
9
John Lucas III
United States
Guard
2012-2013
Oklahoma State

Questions and formulas:
Question: What is the nationality of Martin Lewis?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="martin lewis"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,A2:A9="martin lewis"),2))
Level: medium