Question: Who was the director of the film starring Jean-Pierre Martins as a French boxer?

Context paragraphs:
The Mother and the Whore: The Mother and the Whore (French: La Maman et la Putain ) is a 1973 French film directed by Jean Eustache and starring Jean-Pierre Léaud, Bernadette Lafont and Françoise Lebrun.  An examination of the relationships between three characters in a love triangle, it was Eustache's first feature film and is considered his masterpiece.  Eustache wrote the screenplay drawing inspiration from his own relationships, and shot the film from May to July 1972.

The Sparrows of Paris: The Sparrows of Paris (French: Moineaux de Paris) is a 1953 French comedy drama film directed and written by Maurice Cloche and starring Jean-Pierre Aumont, Louis de Funès and Virginia Keiley.

La Vie en rose (film): La Vie en Rose (] ; French: La Môme ) is a 2007 French biographical musical film about the life of French singer Édith Piaf.  The film was co-written and directed by Olivier Dahan, and starred Marion Cotillard as Piaf.  The U.S. and U.K. title "La Vie en Rose" comes from Piaf's signature song.

Jean-Pierre Martins: Jean-Pierre Martins (born 29 October 1971) is a French actor and musician.  He is known for playing the French boxer Marcel Cerdan in "La Vie en rose" (2007).

Claude de Givray: Claude de Givray (born 7 April 1933) is a French film director and screenwriter.  In 1960 he was co-director with François Truffaut for "Tire-au flanc".  He directed the 1965 film "Un mari à un prix fixe", which starred Anna Karina.  He was François Truffaut's co-writer to his films "Stolen Kisses" and "Bed and Board".  Between the two films he wrote and directed the mini-series "Mauregard" starring Claude Jade, the heroine of the two Truffaut-Films.  His last movie as Director was "Dernier banco" in 1984, starring Jean-Pierre Cassel and Michel Duchaussoy.  In 1988 Claude Miller made the film "The Little Thief" based on a book by de Claude de Givray and Truffaut.

Premonition (2006 film): Premonition (French: Le Pressentiment ) is a 2006 French drama film directed by and starring Jean-Pierre Darroussin, and based on the novel "Le Pressentiment" by Emmanuel Bove.  It won the Louis Delluc Prize for Best First Film in 2006 and the award for Best First French Film from the French Syndicate of Cinema Critics in 2007.

The Elusive Corporal: The Elusive Corporal (French: Le Caporal épinglé ) is a 1962 French comedy film directed by Jean Renoir and starring Jean-Pierre Cassel.  It was entered into the 12th Berlin International Film Festival.  Renoir shot his film in Austria in 1961 from Jacques Perret's book based on his own prisoner of war experiences.  Renoir's friend and assistant director Guy Lefranc had also been a World War II prisoner of war and had developed the project for seven years.

Wolves Hunt at Night: Wolves Hunt at Night (French: "Les Loups chassent la nuit" ), is a French spy film from 1952, directed by Bernard Borderie, written by Bernard Borderie, starring Jean-Pierre Aumont.

Stolen Kisses: Stolen Kisses (French: Baisers volés ) is a 1968 French romantic comedy-drama film directed by François Truffaut starring Jean-Pierre Léaud and Claude Jade.  It continues the story of the character Antoine Doinel, whom Truffaut had previously depicted in "The 400 Blows" and the short film "Antoine and Colette".  In this film, Antoine begins his relationship with Christine Darbon, which is depicted further in the last two films in the series, "Bed & Board" and "Love on the Run".

The Horde (2009 film): The Horde (French title: La Horde) is a 2009 French horror film co-written and directed by Yannick Dahan and Benjamin Rocher, it stars Claude Perron, Jean-Pierre Martins, Eriq Ebouaney and Aurélien Recoing.

Supporting paragraphs: Jean-Pierre Martins La Vie en rose (film)
Answer: Olivier Dahan