Table:
0
A
B
C
D
E
1
Number
Name
Dates in office
Country of origin
Remarks
2
1
Kenneth Ruffing
1981–1984
USA
Manager
3
2
John Burley
1984–1985
U.K.
Manager
4
3
Erling Nypan
1985–1988
Norway
Manager
5
4
Enrique Cosío-Pascal
1989-2001
Mexico
Chief
6
5
Philippe Straatman
2001–2005
Belgium
Chief
7
6
Gerard Teeling
2007 – present
Ireland
Chief

Questions and formulas:
Question: What is the remark for Norway?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="norway"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,D2:D7="norway"),5))
Level: medium