Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Men's singles | Women's singles | Men's doubles | Women's doubles | Mixed doubles |
| --- | --- | --- | --- | --- | --- |
| 2012.0 | Chou Tien-chen | Sashina Vignes Waran | Ruud Bosch Koen Ridder | Samantha Barning Eefje Muskens | Jorrit de Ruiter Samantha Barning |
| 2011.0 | Ville Lang | Linda Zechiri | Rasmus Bonde Anders Kristiansen | Eva Lee Paula Lynn Obanana | Sam Magee Chloe Magee |
| 2010.0 | Hans-Kristian Vittinghus | Olga Konon | Ingo Kindervater Johannes Schoettler | Lotte Jonathans Paulien van Dooremalen | Michael Fuchs Birgit Overzier |
| 2009.0 | Hans-Kristian Vittinghus | Juliane Schenk | Rasmus Bonde Simon Mollyhus | Helle Nielsen Marie Røpke | Marcus Ellis Heather Olver |
| 2008.0 | Ville Lang | Zhang Xi | Michael Fuchs Ingo Kindervater | Anastasia Russkikh Irina Hlebko | Michael Fuchs Annekatrin Lillie |
| 2007.0 | Marc Zwiebler | Juliane Schenk | Howard Bach Bob Malaythong | Anastasia Russkikh Ekaterina Ananina | Kristof Hopp Birgit Overzier |
| 2006.0 | Hans-Kristian Vittinghus | Sara Persson | Anton Nazarenko Andrey Ashmarin | Imogen Bankier Emma Mason | Imam Sodikin Irawan Elin Bergblom |
| 2005.0 | Eric Pang | Juliane Schenk | Vidre Wilbowo Imam Sodikin Irawan | Nicole Grether Juliane Schenk | Kristof Hopp Birgit Overzier |
| 2004.0 | Björn Joppien | Petra Overzier | Kristof Hopp Ingo Kindervater | Liza Parker Suzanne Rayappan | Frederik Bergström Johanna Persson |
| 2003.0 | Per-Henrik Croona | Tine Rasmussen | Lee Jae-jin Hwang Ji-man | Ha Jung-eun Oh Seul-ki | Lee Jae-jin Lee Eun-woo |
| 2002.0 | Kasperi Salo | Tine Rasmussen | Alexandr Nikolaenko Nikolaj Nikolaenko | Frida Andreasson Lina Uhac | Jörgen Olsson Frida Andreasson |
| 2001.0 | Irwansyah | Anu Weckstrom | Martin Delfs Jonas Glyager Jensen | Karina Sorensen Julie Houmann | Tommy Sorensen Karina Sorensen |
Question:
What year did helle nielsen marie røpke play womens' doubles?
Answer:
2009.0