Table:
0
A
B
C
D
E
F
1
Nation
Skip
Third
Second
Lead
Alternate
2
Austria
Alois Kreidl
Stefan Salinger
Hubert Gründhammer
Florian Lintner
Max Ehammer
3
Belarus
Yauhen Puchkou
Dmitry Yarko
Ihar Mishaniov
Dmitry Kirillov
Yauheni Fedchun
4
England
Andrew Reed
James Dixon
Thomas Jaeggi
Andrew Dixon
John M. L. Brown
5
Estonia
Erkki Lill
Harri Lill
Jaanus Lindre
Indrek Ernits
Tanel Telliskivi
6
Finland
Kalle Kiiskinen
Jani Sullanmaa
Teemu Salo
Jari Rouvinen
Juha Pekaristo
7
Lithuania
Andrius Jurkonis
Arturas Smaliukas
Piotras Gerasimovici
Dalius Grakavinas
Vygantas Zalieckas
8
Netherlands
Rob Vilain
Brian Doucet
Miles Maclure
Erik Dijkstra
Laurens Van Der Windt
9
Poland
Krzysztof Kowalski
Wojciech Woyda
Przemyslaw Stachura
Bartosz Klimas
Tomasz Korolko
10
Russia
Andrey Drozdov
Alexey Stukalsky
Artem Bolduzev
Alexey Kamnev
Roman Kutuzov

Questions and formulas:
Question: What is the alternate of the nation with Piotras Gerasimovici as the second?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="piotras gerasimovici"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,D2:D10="piotras gerasimovici"),6))
Level: medium
Question: What is the alternate of the nation with hubert gründhammer as the second?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="hubert gründhammer"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,D2:D10="hubert gründhammer"),6))
Level: medium
Question: What is the alternate of the nation with Erkki Lill as the skip?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="erkki lill"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,B2:B10="erkki lill"),6))
Level: medium
Question: Who is the skip of the nation with Laurens van der Windt as the alternate?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="laurens van der windt"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,F2:F10="laurens van der windt"),2))
Level: medium
Question: Who is the lead of the nation with Juha Pekaristo as the alternate?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="juha pekaristo"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,F2:F10="juha pekaristo"),5))
Level: medium