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 |
| --- | --- | --- | --- | --- | --- |
| 1958 | Knud Aage Nielsen | Tonny Holst Christensen | Hugh Findlay Ronald Lockwood | Heather Ward Barbara Carpenter | Hugh T. Findlay Heather Ward |
| 1960 | No competition | No competition | No competition | No competition | No competition |
| 1961 | Oon Chong Teik | Ursula H. Smith | Oon Chong Teik Ole Mertz | No competition | No competition |
| 1962 1967 | No competition | No competition | No competition | No competition | No competition |
| 1968 | Lee Kin Tat | Tonny Pannemans | Lee Kin Tat Roy Díaz González | June Jacques Gerda Cairns | Leo Kountul Tony Pannemans |
| 1969 | Sture Johnsson | Imre Nielsen | David Horton Elliot Stuart | Margaret Boxall Susan Whetnall | Paul Whetnall Margaret Boxall |
| 1970 | Punch Gunalan | Joke van Beusekom | Punch Gunalan Ng Boon Bee | Joke van Beusekom Felice do Nooyer | Ng Boon Bee Sylvia Ng |
| 1971 | Tan Aik Huang | Tonny Pannemans | Punch Gunalan Ng Boon Bee | Tony Pannemans Lore Hawig | Clemens Wortel Tony Pannemans |
| 1972 | Djauhari | Joke van Beusekom | Djauhari Budinan | Barbara Lord Dorte Tyghe | Kenneth Parsons Dorte Tyghe |
| 1973 | No competition | No competition | No competition | No competition | No competition |
| 1974 | William Kerr | Alena Poborakova | William Kerr Kenneth Parsons | Alena Poboraková Tatjana Pravdová | Kenneth Parsons Alan Parsons |
| 1975 | Rob Ridder | Gussie Botes | John Abrahams Gordon McMillan | Marjan Luesken Thatcher | Alan Phillips Marianne van der Walt |
| 1976 | Karl-Heinz Zwiebler | Hanke de Kort | Ray Sharp Ray Rolfe | Hanke de Kort Marja Ravelli | Clemens Wortel Hanke de Kort |
| 1978 | No competition | No competition | No competition | No competition | No competition |
| 1979 | Ulrich Rost | Marja Ridder | Rob Ridder Piet Ridder | Hanke de Kort Marja Ridder | Rob Ridder Marjan Ridder |
| 1980 | No competition | No competition | No competition | No competition | No competition |
| 1981 | Barry Burns | Carol Liem | Ivan Kristanto Frank van Dongen | Paula Kloet Grace Kakiay | Bas von Barnau-Sijthoff Jeanette van Driel |
| 1982 | No competition | No competition | No competition | No competition | No competition |
| 1983 | Glen Milton | Wendy Massam | Peter Buch Niels Hansen | Wendy Massam Lisa Chapman | Rob Ridder Marjan Ridder |
| 1984 | Tariq Farooq | Sally Podger | Michael Fischedick Mathias Klein | Sally Podger Lena Staxler | Tsien Asjoe Jeanette van Driel |
| 1985 | Steve Baddeley | Xiao Jie | He Xiangyang Tang Hai | Eline Coene Erica van Dijck | Billy Gilliland Nora Perry |
| 1986 | Morten Frost | Astrid van der Knaap | Jens Peter Nierhoff Michael Kjeldsen | Gillian Gowers Gillian Gilks | Martin Dew Gillian Gilks |
| 1987 | Morten Frost | Christine Magnusson | Jens Peter Nierhoff Michael Kjeldsen | Kim Yun-ja Yoo Sang-hee | Steen Fladberg Gillian Clark |
| 1988 | Poul-Erik Høyer Larsen | Tang Jiuhong | Zhang Qiang Zhou Jincan | Christine Magnusson Maria Bengtsson | Jan Paulsen Gillian Gowers |
| 1989 2004 | No competition | No competition | No competition | No competition | No competition |
| 2005 | Anders Boesen | Xu Huaiwen | Ingo Kindervater Kristof Hopp | Juliane Schenk Nicole Grether | Kristof Hopp Birgit Overzier |
| 2006 | Kasper Ødum | Petra Overzier | Imanuel Hirschfeldt Imam Sodikin | Marina Yakusheva Elena Shimko | Vitaly Durkin Valerya Sorokina |
| 2007 | Marc Zwiebler | Larissa Griga | Kristof Hopp Ingo Kindervater | Natalie Munt Joanne Nicholas | Chris Langridge Joanne Nicholas |
| 2008 | Kenichi Tago | Juliane Schenk | Andrew Bowman Martyn Lewis | Valeria Sorokina Nina Vislova | Nina Vislova Vitaly Durkin |
| 2009 | Marc Zwiebler | Yao Jie | Ruud Bosch Koen Ridder | Misaki Matsutomo Ayaka Takahashi | Heather Olver Marcus Ellis |
| 2010 | Marc Zwiebler | Juliane Schenk | Ingo Kindervater Johannes Schöttler | Sandra Marinello Birgit Overzier | Michael Fuchs Birgit Overzier |
| 2011 | Brice Leverdez | Olga Konon | Adam Cwalina Michal Logosz | Shinta Mulia Sari Yao Lei | Chayut Triyachart Yao Lei |
| 2012 | Andre Kurniawan Tedjono | Sashina Vignes Waran | Adam Cwalina Koen Ridder | Selena Piek Iris Tabeling | Marcus Ellis Gabrielle White |
| 2013 | Andre Kurniawan Tedjono | Febby Angguni | Anders Skaarup Rasmussen Kim Astrup Sorensen | Imogen Bankier Petya Nedelcheva | Anders Skaarup Rasmussen Lena Grebak |
Question:
When Marja Ridder won the Women's singles who won the Men's singles?
Answer:
Ulrich Rost