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(s) | Grand Final Television Commentator | Grand Final Dual Television Commentator | Spokesperson | Semi Final Television Commentator | Semi Final Dual Television Commentator |
| --- | --- | --- | --- | --- | --- |
| 1956.0 | Michèle Rebel | No Dual Television Commentator | No Spokesperson | No Semi Finals | No Semi Finals |
| 1957.0 | Robert Beauvais | No Dual Television Commentator | Claude Darget | No Semi Finals | No Semi Finals |
| 1958.0 | Pierre Tchernia | No Dual Television Commentator | Claude Darget | No Semi Finals | No Semi Finals |
| 1959.0 | Claude Darget | No Dual Television Commentator | Marianne Lecène | No Semi Finals | No Semi Finals |
| 1960.0 | Pierre Tchernia | No Dual Television Commentator | Unknown | No Semi Finals | No Semi Finals |
| 1961.0 | Guy Lux | No Dual Television Commentator | Unknown | No Semi Finals | No Semi Finals |
| 1962.0 | Pierre Tchernia | No Dual Television Commentator | Unknown | No Semi Finals | No Semi Finals |
| 1963.0 | Pierre Tchernia | No Dual Television Commentator | Unknown | No Semi Finals | No Semi Finals |
| 1964.0 | Robert Beauvais | No Dual Television Commentator | Unknown | No Semi Finals | No Semi Finals |
| 1965.0 | Pierre Tchernia | No Dual Television Commentator | Unknown | No Semi Finals | No Semi Finals |
| 1966.0 | François Deguelt | No Dual Television Commentator | Unknown | No Semi Finals | No Semi Finals |
| 1967.0 | Pierre Tchernia | No Dual Television Commentator | Unknown | No Semi Finals | No Semi Finals |
| 1968.0 | Pierre Tchernia | No Dual Television Commentator | Unknown | No Semi Finals | No Semi Finals |
| 1969.0 | Pierre Tchernia | No Dual Television Commentator | Unknown | No Semi Finals | No Semi Finals |
| 1970.0 | Pierre Tchernia | No Dual Television Commentator | Unknown | No Semi Finals | No Semi Finals |
| 1971.0 | Georges de Caunes | No Dual Television Commentator | No spokesperson | No Semi Finals | No Semi Finals |
| 1972.0 | Pierre Tchernia | No Dual Television Commentator | No spokesperson | No Semi Finals | No Semi Finals |
| 1973.0 | Pierre Tchernia | No Dual Television Commentator | No spokesperson | No Semi Finals | No Semi Finals |
| 1974.0 | Pierre Tchernia | No Dual Television Commentator | Did not participate | No Semi Finals | No Semi Finals |
| 1975.0 | Georges de Caunes | No Dual Television Commentator | Unknown | No Semi Finals | No Semi Finals |
| 1976.0 | Jean-Claude Massoulier | No Dual Television Commentator | Unknown | No Semi Finals | No Semi Finals |
| 1977.0 | Georges de Caunes | No Dual Television Commentator | Unknown | No Semi Finals | No Semi Finals |
| 1978.0 | Léon Zitrone | Denise Fabre | Unknown | No Semi Finals | No Semi Finals |
| 1979.0 | Marc Menant | No Dual Television Commentator | Fabienne Égal | No Semi Finals | No Semi Finals |
| 1980.0 | Patrick Sabatier | No Dual Television Commentator | Fabienne Égal | No Semi Finals | No Semi Finals |
| 1981.0 | Patrick Sabatier | No Dual Television Commentator | Fabienne Égal | No Semi Finals | No Semi Finals |
| 1982.0 | No television broadcast | No Dual Television Commentator | Did not participate | No Semi Finals | No Semi Finals |
| 1983.0 | Léon Zitrone | No Dual Television Commentator | Geneviève Moll | No Semi Finals | No Semi Finals |
| 1984.0 | Léon Zitrone | No Dual Television Commentator | Gillette Aho | No Semi Finals | No Semi Finals |
| 1985.0 | Patrice Laffont | No Dual Television Commentator | Élisabeth Tordjman | No Semi Finals | No Semi Finals |
| 1986.0 | Patrice Laffont | No Dual Television Commentator | Patricia Lesieur | No Semi Finals | No Semi Finals |
| 1987.0 | Patrick Simpson-Jones | No Dual Television Commentator | Lionel Cassan | No Semi Finals | No Semi Finals |
| 1988.0 | Lionel Cassan | No Dual Television Commentator | Catherine Ceylac | No Semi Finals | No Semi Finals |
| 1989.0 | Lionel Cassan | No Dual Television Commentator | Marie-Ange Nardi | No Semi Finals | No Semi Finals |
| 1990.0 | Richard Adaridi | No Dual Television Commentator | Valérie Maurice | No Semi Finals | No Semi Finals |
| 1991.0 | Léon Zitrone | No Dual Television Commentator | Marie-France Brière | No Semi Finals | No Semi Finals |
| 1992.0 | Thierry Beccaro | No Dual Television Commentator | Laurent Romejko | No Semi Finals | No Semi Finals |
| 1993.0 | Patrice Laffont | No Dual Television Commentator | Laurent Romejko | No Semi Finals | No Semi Finals |
| 1994.0 | Patrice Laffont | No Dual Television Commentator | Laurent Romejko | No Semi Finals | No Semi Finals |
| 1995.0 | Olivier Minne | No Dual Television Commentator | Thierry Beccaro | No Semi Finals | No Semi Finals |
| 1996.0 | Olivier Minne | No Dual Television Commentator | Laurent Broomhead | No Semi Finals | No Semi Finals |
| 1997.0 | Olivier Minne | No Dual Television Commentator | Frédéric Ferrer & Marie Myriam | No Semi Finals | No Semi Finals |
| 1998.0 | Chris Mayne | Laura Mayne | Marie Myriam | No Semi Finals | No Semi Finals |
| 1999.0 | Julien Lepers | No Dual Television Commentator | Marie Myriam | No Semi Finals | No Semi Finals |
| 2000.0 | Julien Lepers | No Dual Television Commentator | Marie Myriam | No Semi Finals | No Semi Finals |
| 2001.0 | Marc-Olivier Fogiel | Dave | Corinne Hermès | No Semi Finals | No Semi Finals |
| 2002.0 | Marc-Olivier Fogiel | Dave | Marie Myriam | No Semi Finals | No Semi Finals |
| 2003.0 | Laurent Ruquier | Isabelle Mergault | Sandrine François | No Semi Finals | No Semi Finals |
| 2004.0 | Laurent Ruquier | Elsa Fayer | Alex Taylor | No broadcast | No broadcast |
| 2005.0 | Julien Lepers | Guy Carlier | Marie Myriam | Peggy Olmi | No Dual Commentator |
| 2006.0 | Michel Drucker | Claudy Siar | Sophie Jovillard | Peggy Olmi | Eric Jeanjean |
| 2007.0 | Julien Lepers | Tex | Vanessa Dolmen | Peggy Olmi | Yann Renoard |
| 2008.0 | Julien Lepers | Jean-Paul Gaultier | Cyril Hanouna | Peggy Olmi | Yann Renoard |
| 2009.0 | Cyril Hanouna | Julien Courbet | Yann Renoard | Peggy Olmi | Yann Renoard |
| 2010.0 | Cyril Hanouna | Stéphane Bern | Audrey Chauveau | Peggy Olmi | Yann Renoard |
| 2011.0 | Laurent Boyer | Catherine Lara | Cyril Féraud | Audrey Chauveau | Bruno Berberes |
| 2012.0 | Cyril Féraud | Mireille Dumas | Amaury Vassili | Audrey Chauveau | Bruno Berberes |
| 2013.0 | Cyril Féraud | Mireille Dumas | Marine Vignes | Audrey Chauveau | Bruno Berberes |
Question:
What is the semi-final dual television commentator status of the year with Pierre Tchernia as the grand final television commentator and an unknown spokesperson?
Answer:
No Semi Finals, No Semi Finals, No Semi Finals, No Semi Finals, No Semi Finals, No Semi Finals, No Semi Finals, No Semi Finals