Question: Who directed the film that opened the 2017 Cannes Film Festival?
Context: Leonardo Corbucci is an award-winning film director from Italy who is now located in Los Angeles US and member of the DGA (Directors Guild of America).  He has won many prizes from the prestigious "Rising Star" at the Canadian International Film Festival to the "Silver Ace" at the Las Vegas International Film festival, "Best Romance" at the Best of Best Film Fest, "Best Experimental Film" at the Idie Gathering, "Best Drama" at the International Family Film Festival, "Best screenplay" at the Sunset Film Festival, "Honorable Mention" at the Queen World Film Festival, "Titoli Price" at the Murgia Film Festival, "Best Short film" at the Burbank Film Festival.  His films have been official selections at the Venice Film Festival, Beverly Hills Film Festival, Santa Barbara Film Festival, San Diego IndieFest, Phoenix Film Festival, Riverside Film Festival, Seattle True Independent Film Festival, Ventura Film Festival, Rome Film Festival, Riverband Film Festival and screened at that Cannes Film Festival. The Killing of a Sacred Deer is a 2017 psychological horror-thriller film directed by Yorgos Lanthimos, from a screenplay by Lanthimos and Efthymis Filippou.  It stars Colin Farrell and Nicole Kidman.  It was selected to compete for the Palme d'Or in the main competition section at the 2017 Cannes Film Festival.  At Cannes, Lanthimos and Filippou won the Best Screenplay award.  The film is scheduled to be released in the United States on October 20, 2017, by A24, before being released in the United Kingdom on November 17, 2017, by Curzon Artificial Eye. L'Amant double (literally "the double lover", and titled Amant Double for English audiences at the Cannes Film Festival) is a 2017 French drama film directed by François Ozon.  It was selected to compete for the Palme d'Or in the main competition section at the 2017 Cannes Film Festival. Andrey Petrovich Zvyagintsev (Russian: Андре́й Петро́вич Звя́гинцев ; born 6 February 1964) is a Russian film director and screenwriter.  He is mostly known for his 2003 film "The Return", which won him a Golden Lion at the Venice Film Festival.  Following "The Return", Zvyagintsev directed "The Banishment" and "Elena".  His film "Leviathan" was nominated for the Academy Award for Best Foreign Film in 2014.  His most recent film "Loveless" won the Jury Prize at the 2017 Cannes Film Festival. Merry-Go-Round (Hungarian: "Körhinta" ) is a 1956 Hungarian drama film directed by Zoltán Fábri, based on the short story "Kútban" ("In the Well") by Imre Sarkadi.  It was in competition at the 1956 Cannes Film Festival.  It was later selected to be screened in the Cannes Classics section of the 2017 Cannes Film Festival. Closeness (Russian: Теснота ) is a 2017 Russian drama film directed by Kantemir Balagov, in his feature film debut.  It was selected to compete in the Un Certain Regard section at the 2017 Cannes Film Festival.  At Cannes, it won the FIPRESCI Prize in the Un Certain Regard section. The 70th Cannes Film Festival took place from 17 to 28 May 2017, in Cannes, France.  Spanish film director and screenwriter Pedro Almodóvar was the President of the Jury for the festival and Italian actress Monica Bellucci hosted the opening and closing ceremonies. " Ismael's Ghosts", directed by French director Arnaud Desplechin, was the opening film for the festival. Let the Sunshine In (French: Un beau soleil intérieur ), or Bright Sunshine In, is a 2017 French film directed by Claire Denis.  The film is an adaptation of Roland Barthes's 1977 text "" (French: "Fragments d’un discours amoureux")"."  Novelist Christine Angot and frequent Denis collaborator Jean-Pol Fargeau have both been reported as Denis's co-writers on the project.  It opened the Directors' Fortnight section of the 2017 Cannes Film Festival.  At Cannes in won the SACD Award. Ismael's Ghosts (French: Les Fantômes d'Ismaël ) is a 2017 French drama film directed by Arnaud Desplechin, starring Mathieu Amalric, Marion Cotillard, Charlotte Gainsbourg and Louis Garrel.  The film follows a filmmaker whose life is sent into a tailspin, just as he is about to start shooting a new film, by the return of his wife, who disappeared 20 years ago and whom he thought dead.  "Ismael's Ghosts" premiered at the 2017 Cannes Film Festival as the opening film. Michel Franco (born 1979) is a Mexican film director and producer.  His film "After Lucia" won the Prize Un Certain Regard at the 2012 Cannes Film Festival.  His 2015 film "Chronic" was selected to compete for the Palme d'Or at the 2015 Cannes Film Festival.  At Cannes, Franco won the award for Best Screenplay.  His 2017 film "April's Daughter" has been selected to compete in the Un Certain Regard section at the 2017 Cannes Film Festival.
Answer: Arnaud Desplechin