Table:
0
A
B
C
D
E
1
Country
Skip
Third
Second
Lead
2
Canada
William Dion
Jean-Michel Arsenault
Erik Lachance
Miguel Bernard
3
China
Zang Jialiang
Wang Zi
Yang Tuo
Chen Lu'an
4
Czech Republic
Krystof Chaloupek
Michal Vojtus
Martin Hejhal
David Jirounek
5
Denmark
Rasmus Stjerne
Mikkel Krause
Oliver Dupont
Troels Harry
6
Germany
Daniel Neuner
Florian Zahler
Johannes Glaser
Dominik Greindl
7
Norway
Kristian Rolvsfjord
Steffen Walstad
Steffen R. Mellemseter
Markus Snøve Høiberg
8
Scotland
Glen Muirhead
Scott MacLeod
Scott Andrews
Gordon McDougall
9
Sweden
Oskar Eriksson
Henric Jonsson
Marcus Franzén
Nils Karlsson
10
Switzerland
Manuel Ruch
Claudio Pätz
Daniel Graf
Joel Greiner
11
United States
Chris Plys
Aanders Brorson
Matthew Perushek
Matthew Hamilton

Questions and formulas:
Question: Which skip has Oliver Dupont as a second?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="oliver dupont"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,D2:D11="oliver dupont"),2))
Level: medium
Question: Which second's third is Jean-Michel Arsenault?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="jean-michel arsenault"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,C2:C11="jean-michel arsenault"),4))
Level: medium
Question: Which skip's third is Steffen Walstad?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="steffen walstad"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,C2:C11="steffen walstad"),2))
Level: medium
Question: Which skip's second is Martin Hejhal?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="martin hejhal"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,D2:D11="martin hejhal"),2))
Level: medium
Question: Which skip's lead is Gordon McDougall?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="gordon mcdougall"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,E2:E11="gordon mcdougall"),2))
Level: medium
Question: Which second's skip is Chris Plys?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="chris plys"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,B2:B11="chris plys"),4))
Level: medium