Table:
text: Belgian International
Previous winners
Previous winners
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

text: Belgian International
Previous winners
Previous winners
Year_ Men_s_singles Women_s_singles Men_s_doubles Women_s_doubles Mixed_doubles
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

text: Belgian International
Previous winners
Previous winners
Year_ Men_s_singles Women_s_singles Men_s_doubles Women_s_doubles Mixed_doubles
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

text: Belgian International
Previous winners
Previous winners
Year_ Men_s_singles Women_s_singles Men_s_doubles Women_s_doubles Mixed_doubles
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

Question: In which year was there a women's doubles and a women's singles non-competitive in the Belgian national team?