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 |
| --- | --- | --- | --- | --- | --- |
| 1997.0 | Thomas Wapp | Elena Nozdran | Mihail Popov Svetoslav Stojanov | Elena Nozdran Viktoria Evtuschenko | Valeriy Strelcov Elena Nozdran |
| 1998.0 | Konstantin Tatranov | Elena Nozdran | Mihail Popov Svetoslav Stojanov | Elena Nozdran Viktoria Evtuschenko | Michael Keck Nicol Pitro |
| 1999.0 | Pullela Gopichand | Marina Andrievskaya | Mihail Popov Svetoslav Stojanov | Nicol Pitro Anika Sietz | Michael Keck Nicol Pitro |
| 2000.0 | Xie Yangchun | Xu Huaiwen | Vincent Laigle Svetoslav Stoyanov | Nicol Pitro Nicole Grether | Björn Siegemund Nicol Pitro |
| 2001.0 | No competition | No competition | No competition | No competition | No competition |
| 2002.0 | Kasper Ødum | Zen Yaqiong | Vincent Laigle Svetoslav Stoyanov | Akiko Nakashima Chihiro Ohsaka | Jonas Jensen Majken Vange |
| 2003.0 | Nikhil Kanetkar | Tine Rasmussen | Frédéric Mawet Wouter Claes | Kamila Augustyn Nadieżda Kostiuczyk | Vladislav Druzchenko Elena Nozdran |
| 2004.0 | Chetan Anand | Ella Karachkova | Thomas Sanave Rupesh Kumar | Anastasia Russkikh Petya Nedelcheva | Svetoslav Stoyanov Anastasia Russkikh |
| 2005.0 | No competition | No competition | No competition | No competition | No competition |
| 2006.0 | Ville Lang | Ella Karachkova | Alexandr Nikolaenko Vitalij Durkin | Nina Vislova Valeria Sorokina | Alexandr Russkikh Anastasia Russkikh |
| 2007.0 | Przemyslaw Wacha | Tracey Hallam | Carsten Mogensen Mathias Boe | Elin Bergblom Johanna Persson | Ingo Kindervater Kathrin Piotrowski |
| 2008.0 | Andre Kurniawan Tedjono | Olga Konon | Richard Eidestedt Andrew Ellis | Shendy Puspa Irawati Meiliana Jauhari | Fran Kurniawan Shendy Puspa Irawati |
| 2009.0 | Rajiv Ouseph | Ella Diehl | Christopher Langridge Robin Middleton | Valeria Sorokina Nina Vislova | Robert Mateusiak Nadieżda Kostiuczyk |
| 2010.0 | cancelled | cancelled | cancelled | cancelled | cancelled |
Question:
Who won Women's doubles when Zen Yaqiong won Women's singles?
Answer:
Akiko Nakashima Chihiro Ohsaka