Table:
0
A
B
C
D
E
F
1
Year
Men's singles
Women's singles
Men's doubles
Women's doubles
Mixed doubles
2
2012
Chou Tien-chen
Sashina Vignes Waran
Ruud Bosch Koen Ridder
Samantha Barning Eefje Muskens
Jorrit de Ruiter Samantha Barning
3
2011
Ville Lang
Linda Zechiri
Rasmus Bonde Anders Kristiansen
Eva Lee Paula Lynn Obanana
Sam Magee Chloe Magee
4
2010
Hans-Kristian Vittinghus
Olga Konon
Ingo Kindervater Johannes Schoettler
Lotte Jonathans Paulien van Dooremalen
Michael Fuchs Birgit Overzier
5
2009
Hans-Kristian Vittinghus
Juliane Schenk
Rasmus Bonde Simon Mollyhus
Helle Nielsen Marie Røpke
Marcus Ellis Heather Olver
6
2008
Ville Lang
Zhang Xi
Michael Fuchs Ingo Kindervater
Anastasia Russkikh Irina Hlebko
Michael Fuchs Annekatrin Lillie
7
2007
Marc Zwiebler
Juliane Schenk
Howard Bach Bob Malaythong
Anastasia Russkikh Ekaterina Ananina
Kristof Hopp Birgit Overzier
8
2006
Hans-Kristian Vittinghus
Sara Persson
Anton Nazarenko Andrey Ashmarin
Imogen Bankier Emma Mason
Imam Sodikin Irawan Elin Bergblom
9
2005
Eric Pang
Juliane Schenk
Vidre Wilbowo Imam Sodikin Irawan
Nicole Grether Juliane Schenk
Kristof Hopp Birgit Overzier
10
2004
Björn Joppien
Petra Overzier
Kristof Hopp Ingo Kindervater
Liza Parker Suzanne Rayappan
Frederik Bergström Johanna Persson
11
2003
Per-Henrik Croona
Tine Rasmussen
Lee Jae-jin Hwang Ji-man
Ha Jung-eun Oh Seul-ki
Lee Jae-jin Lee Eun-woo
12
2002
Kasperi Salo
Tine Rasmussen
Alexandr Nikolaenko Nikolaj Nikolaenko
Frida Andreasson Lina Uhac
Jörgen Olsson Frida Andreasson
13
2001
Irwansyah
Anu Weckstrom
Martin Delfs Jonas Glyager Jensen
Karina Sorensen Julie Houmann
Tommy Sorensen Karina Sorensen

Questions and formulas:
Question: What players played mixed doubles when zhang xi played mixed singles?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="zhang xi"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,C2:C13="zhang xi"),6))
Level: medium
Question: What player played women's singles when marcus ellis heather olver played mixed doubles?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="marcus ellis heather olver"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,F2:F13="marcus ellis heather olver"),3))
Level: medium
Question: What player played women's doubles when lee jae-jin lee eun-woo played mixed doubles?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="lee jae-jin lee eun-woo"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,F2:F13="lee jae-jin lee eun-woo"),5))
Level: medium
Question: What year did helle nielsen marie røpke play womens' doubles?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="helle nielsen marie røpke"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,E2:E13="helle nielsen marie røpke"),1))
Level: medium
Question: What is the latest year that chou tien-chen played men's singles?
Formula: MAXIFS(A1,B1,"chou tien-chen")
Formula2: MAXIFS(A2:A13,B2:B13,"chou tien-chen")
Level: easy