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 |
| --- | --- | --- | --- | --- | --- |
| 1975 | Victor Yusim | No competition | Victor Yusim Michael Schneidman | No competition | No competition |
| 1976 | Michael Schneidman | Tineke Hof | Victor Yusim Michael Schneidman | Tineke Hof Devora Geffen | No competition |
| 1977 | Victor Yusim | Eva Unglick | Victor Yusim Michael Schneidman | Eva Unglick Chaya Grunstein | No competition |
| 1978 | Victor Yusim | Chaya Grunstein | Victor Yusim Michael Schneidman | Chaya Grunstein Carole Silman | Michael Rappaport Carole Silman |
| 1979 | Victor Yusim | Eva Unglick | Victor Yusim Michael Schneidman | Eva Unglick Chaya Grunstein | Nissim Duk Eva Unglick |
| 1980 | Yitzhak Serrouya | Elka Kalb | Nissim Duk Yitzhak Serrouya | Elka Kalb Irit Ben Shushan | Michael Rappaport Eva Unglick |
| 1981 | Johann Ratheyser | Adelhid Losek | Johann Rathyser Gerard Hofegger | Eva Unglick Irit Ben Shushan | Johann Ratheyser Adelheid Losek |
| 1982 | Andrew Downes | Lisa Salmon | David Spurling Stuart Spurling | Lisa Salmon J. Downes | David Spurling H. Blake |
| 1983 1989 | No competition | No competition | No competition | No competition | No competition |
| 1990 | Stephane Renault | Christelle Mol | Ricardo Fernandes Marco Vasconcelos | Christelle Mol Virginie Delvingt | Stephane Renault Elodie Mansuy |
| 1991 1997 | No competition | No competition | No competition | No competition | No competition |
| 1998 | Aivaras Kvedarauskas | Svetlana Zilberman | Aivaras Kvedarauskas Nir Yusim | Svetlana Zilberman Diana Koleva | Leon Pugatch Svetlana Zilberrman |
| 1999 2005 | No competition | No competition | No competition | No competition | No competition |
| 2006 | Petr Koukal | Maja Tvrdy | Luka Petric Mateuz Srekl | No competition | Luka Petric Maja Tvrdy |
| 2007 | Sho Sasaki | Tracey Hallam | Jochen Cassel Thomas Tesche | No competition | Valeriy Atrashenkov Elena Prus |
Question:
Who won the mixed doubles in the years that the men's doubles has no competition?
Answer:
No competition, No competition, No competition