Table:
text: Malta International
Winners
Winners
Year_ Men_s_singles Women_s_singles Men_s_doubles Women_s_doubles Mixed_doubles
1989 Klaus Fischer Diana Koleva Klaus Fischer Heinz Fischer Diana Koleva Emilia Dimitrova Vladimir Balun Emilia Dimitrova
1990 Claus Thomsen Mira Sunari Michael Søgaard Martin Skovgaard Monika Cassens Petra Michalowsky Michael Keck Mira Sundari
1991 No competition No competition No competition No competition No competition
1992 Tomasz Mendrek Irina Serova Kai Abraham Heinz Fischer Diana Koleva Diana Filipova Kai Abraham Sabine Ploner

text: Malta International
Winners
Winners
Year_ Men_s_singles Women_s_singles Men_s_doubles Women_s_doubles Mixed_doubles
1971 Kenneth Wain Barbara Martin Alfred Cefai Kenneth Wain Carrol McKenzie Hazel Tough John Farmer Barbara Martin
1972 David Jepson Norma Lovett David Jepson Buck Ryan Norma Lovett Patricia Hodson David Jepson Sandra Jepson
1973 Gert Lazarotti Elisabeth Schechtner Bert Lazarotti George Hoffmann Gitte Lynge Joana Fagerlund Berthold Auer Elisabeth Schechtner
1974 Frank Andersen Jette Moberg Frank Andersen Peter Morck Jette Moberg Suzanne Pilegaard Frank Andersen Jette Moberg
1975 Peter Morck Suzanne Pilegaard Alfred Hofer Dieter Hofer Charlotte Andersen Suzanne Pilegaard Alfred Hofer Pat Smiles

Question: Name the mixed doubles for the year before 1991 and David Jepson Buck Ryan's men's doubles for Malta International?