Question: Who was the director of the film for which Caroline Champetier won the César Award for Best Cinematography?

Context paragraphs:
Renato Berta: Renato Berta is a Swiss cinematographer and film director, best known for his collaborations with directors Alain Tanner and Jean-Marie Straub.  Trained at the Centro Sperimentale di Cinematografia in Rome, Berta has worked as cinematographer in more than 100 films since 1969.  He won a César Award for Best Cinematography for "Au revoir les enfants" in 1988 and a David di Donatello for Best Cinematography for "Noi credevamo" in 2011.

César Award for Best First Feature Film: The César Award for Best First Feature Film (French: "César du meilleur premier film" ) is an award presented by the Académie des Arts et Techniques du Cinéma since 1982.  It was originally named the César Award for Best Debut (César de la meilleure première œuvre in French) between 1982 and 1999, and César Award for Best Debut in Fiction (César de la meilleure première œuvre de fiction) until 2005, when it has been renamed again in 2006 to its current name.

Benoît Delhomme: Benoît Delhomme (born 28 August 1961) is a French film cinematographer who has also worked in American and British films.  He graduated from the National School Louis Lumière in 1982.  He was assistant cameraman on Jean de Florette and Manon des sources (1986) and became director of photography on feature films in the early 1990s.  He was nominated for the César Award for Best Cinematography in 1998 for Artemisia.  During the 2000s, he worked more and more for English-speaking movies.  He won the Special Jury Prize at the International Film Festival Chicago 2001 for And there, what time is it?  And the AFI Award for Best Cinematography in 2005 for The Proposition.

Paweł Edelman: Pawel Edelman (born 26 June 1958) is a Polish cinematographer from Łódź.  He was named Best European Cinematographer in 2002 at the European Film Awards for his work on "The Pianist", for which he also won the César Award for Best Cinematography.  He was nominated for an Academy Award and a BAFTA for the same film.  He also received a nomination for Outstanding Achievement in Cinematography from the American Society of Cinematographers for "Ray".  His credits include films both in and outside Poland.

César Award for Best Writing: The César Award for Best Writing (French: "César du meilleur scénario, dialogues ou adaptation" (1976-1982); "César du meilleur scénario original ou adaptation" (1986-2005)) is a former award given by the Académie des Arts et Techniques du Cinéma from 1976 to 2005.  It was split into César Award for Best Original Screenplay and César Award for Best Adaptation in 2006.

Of Gods and Men (film): Of Gods and Men is a 2010 French drama film directed by Xavier Beauvois, starring Lambert Wilson and Michael Lonsdale.  Its original French language title is Des hommes et des dieux, which means "Of Men and of Gods" and refers to a verse from the Bible shown at the beginning of the film.  It centers on the monastery of Tibhirine, where nine Trappist monks lived in harmony with the largely Muslim population of Algeria, until seven of them were kidnapped and assassinated in 1996 during the Algerian Civil War.

He Died with His Eyes Open: He Died with His Eyes Open (original title: On ne meurt que deux fois) is a 1985 French erotic noir thriller film directed by Jacques Deray.  It was based on the 1984 English-language novel "He Died with His Eyes Open" by Derek Raymond.  It starred Charlotte Rampling and Michel Serrault.  The film won the César Award for Best Cinematography.  Charlotte Rampling and Michel Serrault were nominated for César Award for Best Actor and Actress.

The Horseman on the Roof: The Horseman on the Roof (French: "Le hussard sur le toit" ) is a 1995 French film directed by Jean-Paul Rappeneau and starring Juliette Binoche and Olivier Martinez.  Based on the 1951 French novel "Le hussard sur le toit" by Jean Giono, the film follows the adventures of a young Italian nobleman in France raising money for the Italian revolution against Austria during a time of cholera.  The Italian struggle for independence and the cholera pandemic in southern France in 1832 are historical events.  The film received César Awards in 1996 for Best Cinematography and Best Sound, as well as eight César Award nominations for Best Film, Best Costume Design, Best Actress, Best Director, Best Editing, Best Music, Best Production Design, and Most Promising Actress.

André Turpin: André Turpin (born 1965) is a Canadian cinematographer, film director and screenwriter.  He ia a member of the Academy of Motion Pictures Arts and sciences.  As a cinematographer, he is a Bronze Frog winner for best cinematography at Camerimage international film festival for Mommy, Canadian screen award winner for best cinematography for Juste LA Fin Du Monde, two-time Genie Award winner for Best Cinematography, for "Maelström" at the 21st Genie Awards and for "Incendies" at the 31st Genie Awards, and a six-time winner of the Jutra Award for Best Cinematography, for "Maelström", "Incendies", "It's Not Me, I Swear!  (C'est pas moi, je le jure!)" , "Soft Shell Man (Un crabe dans la tête)" and "Mommy" and Juste La Fin Du Monde, a winner of the Jutra Award for Best Director for Un Crabe Dans La Tête.  He also won the Jutra Award for Best Screen Writing for Un Crabe Dans La Tête.  As a director he is best known for "Un crabe dans la tête", which was Canada's submission to the Academy Award for Best Foreign Language Film at the 75th Academy Awards.

Caroline Champetier: Caroline Champetier (born 16 July 1954) is a French cinematographer.  She has contributed to more than one hundred films since 1979.  She won the César Award for Best Cinematography for her work on "Of Gods and Men" in 2011.

Supporting paragraphs: Caroline Champetier Of Gods and Men (film)
Answer: Xavier Beauvois