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 |
| --- | --- | --- | --- | --- | --- |
| 1985.0 | Jeliazko Valkov | Diana Koleva | Ilko Orechov Nanko Ertchopov | Diana Koleva Zlatka Valkanova | Jeliazko Valkov Dobrinka Peneva |
| 1986.0 | Jeliazko Valkov | Diana Koleva | Jeliazko Valkov Dinko Dukov | Diana Koleva Petia Borisova | Ilko Okreshkov Elena Velinova |
| 1987.0 | Stanimir Boitchinov | Diana Koleva | Jeliazko Valkov Dinko Dukov | Diana Koleva Diana Filipova | Jeliazko Valkov Gabriela Spasova |
| 1988.0 | Jeliazko Valkov | Diana Koleva | Jeliazko Valkov Dinko Dukov | Diana Koleva Emilia Dimitrova | Jeliazko Valkov Irina Dimitrova |
| 1989.0 | Stanimir Boitchinov | Diana Koleva | Jeliazko Valkov Dinko Dukov | Diana Koleva Emilia Dimitrova | Jeliazko Valkov Diana Filipova |
| 1990.0 | Stoyan Ivantchev | Diana Koleva | Slantcezar Tzankov Anatoliy Skripko | Diana Koleva Emilia Dimitrova | Anatoliy Skripko Diana Filipova |
| 1991.0 | Stoyan Ivantchev | Victoria Hristova | Stoyan Ivantchev Anatoliy Skripko | Diana Koleva Emilia Dimitrova | Jeliazko Valkov Emilia Dimitrova |
| 1992.0 | Jassen Borissov | Diana Koleva | Jeliazko Valkov Sibin Atanasov | Diana Koleva Diana Filipova | Slantchezar Tzankov Diana Filipova |
| 1993.0 | Todor Velkov | Dimitrinka Dimitrova | Boris Kesov Anatoliy Skripko | Victoria Hristova Nelly Nedjalkova | Svetoslav Stoyanov Emilia Dimitrova |
| 1994.0 | Mihail Popov | Victoria Hristova | Svetoslav Stoyanov Mihail Popov | Raina Tzvetkova Emilia Dimitrova | Svetoslav Stoyanov Raina Tzvetkova |
| 1995.0 | Todor Velkov | Neli Nedialkova | Svetoslav Stoyanov Mihail Popov | Raina Tzvetkoa Victoria Hristova | Svetoslav Stoyanov Raina Tzvetkova |
| 1996.0 | Mihail Popov | Victoria Hristova | Svetoslav Stoyanov Mihail Popov | Victoria Hristova Neli Nedialkova | Svetoslav Stoyanov Raina Tzvetkova |
| 1997.0 | Boris Kessov | Raina Tzvetkova | Svetoslav Stoyanov Mihail Popov | Victoria Hristova Dobrinka Smilianova | Svetoslav Stoyanov Raina Tzvetkova |
| 1998.0 | Mihail Popov | Victoria Hristova | Svetoslav Stoyanov Mihail Popov | Victoria Hristova Raina Tzvetkova | Svetoslav Stoyanov Raina Tzvetkova |
| 1999.0 | Boris Kessov | Neli Boteva | Boris Kessov Tzvetozar Kolev | Raina Tzvetkova Petya Nedelcheva | Konstantin Dobrev Petya Nedelcheva |
| 2000.0 | Luben Panov | Petya Nedelcheva | Konstantin Dobrev Luben Panov | Petya Nedelcheva Neli Boteva | Konstantin Dobrev Petya Nedelcheva |
| 2001.0 | Konstantin Dobrev | Petya Nedelcheva | Konstantin Dobrev Luben Panov | Petya Nedelcheva Maya Ivanova | Konstantin Dobrev Petya Nedelcheva |
| 2002.0 | Boris Kessov | Petya Nedelcheva | Konstantin Dobrev Georgi Petrov | Petya Nedelcheva Nely Boteva | Boris Kessov Nely Boteva |
| 2003.0 | Georgi Petrov | Nely Boteva | Julian Hristov Boris Kessov | Petya Nedelcheva Diana Koleva | Julian Hristov Diana Dimova |
| 2004.0 | Yulian Hristov | Petya Nedelcheva | Stilian Makarski Bladimir Metodiev | Petya Nedelcheva Nely Boteva | Vladimir Metodiev Petya Nedelcheva |
| 2005.0 | Kostantin Dobrev | Petya Nedelcheva | Konstantin Dobrev Georgi Petrov | Petya Nedelcheva Maya Lvanova | Vladimir Metodiev Petya Nedelcheva |
| 2006.0 | Georgi Petrov | Petya Nedelcheva | Georgi Petrov Blagovest Kisiov | Petya Nedelcheva Diana Dimova | Vladimir Metodiev Petya Nedelcheva |
| 2007.0 | Georgi Petrov | Petya Nedelcheva | Vladimir Metodiev Stilian Makarski | Petya Nedelcheva Diana Dimova | Vladimir Metodiev Diana Dimova |
| 2008.0 | Stilian Makarski | Petya Nedelcheva | Vladimir Metodiev Krasimir Yankov | Petya Nedelcheva Diana Dimova | Stilian Makarski Diana Dimova |
| 2009.0 | Krasimir Yankov | Petya Nedelcheva | Vladimir Metodiev Krasimir Yankov | Petya Nedelcheva Dimitria Popstoykova | Stilian Makarski Diana Dimova |
| 2010.0 | Stilian Makarski | Petya Nedelcheva | Stilian Makarski Peyo Boichinov | Petya Nedelcheva Diana Dimova | Stilian Makarski Diana Dimova |
| 2011.0 | Peyo Boichinov | Petya Nedelcheva | Stilian Makarski Peyo Boichinov | Petya Nedelcheva Diana Dimova | Stilian Makarski Diana Dimova |
| 2012.0 | Krasimir Yankov | Dimitria Popstoikova | Konstantin Dobrev Blagovest Kisiov | Petya Nedelcheva Diana Dimova | Stilian Makarski Diana Dimova |
Question:
Who won women's singles in 1986?
Answer:
Diana Koleva