Table:
text: Bulgarian National Badminton Championships
Past winners
Past winners
Year_ Mens_singles Womens_singles Mens_doubles Womens_doubles Mixed_doubles
1985 Jeliazko Valkov Diana Koleva Ilko Orechov Nanko Ertchopov Diana Koleva Zlatka Valkanova Jeliazko Valkov Dobrinka Peneva
1986 Jeliazko Valkov Diana Koleva Jeliazko Valkov Dinko Dukov Diana Koleva Petia Borisova Ilko Okreshkov Elena Velinova
1987 Stanimir Boitchinov Diana Koleva Jeliazko Valkov Dinko Dukov Diana Koleva Diana Filipova Jeliazko Valkov Gabriela Spasova
1988 Jeliazko Valkov Diana Koleva Jeliazko Valkov Dinko Dukov Diana Koleva Emilia Dimitrova Jeliazko Valkov Irina Dimitrova
1989 Stanimir Boitchinov Diana Koleva Jeliazko Valkov Dinko Dukov Diana Koleva Emilia Dimitrova Jeliazko Valkov Diana Filipova

Question: Name the men's singles for Jeliazko Valkov Dobrinka Peneva at the Bulgarian National Badminton Championships. ?

Question: Name the men's singles for the Bulgarian National Badminton Championships in 1989. ?