Question: Who was born earlier, Sergio Leone or Christophe Gans?

full_context: Document 1: Leos Carax: Alex Christophe Dupont (born 22 November 1960), best known as Leos Carax (] ), is a French film director, critic, and writer. Carax is noted for his poetic style and his tortured depictions of love. His first major work was "Boy Meets Girl" (1984), and his notable works include "Les Amants du Pont-Neuf" (1991) and "Holy Motors" (2012). His professional name is an anagram of his real name, 'Alex', and 'Oscar'.
Document 2: Mario Bava: Mario Bava (31 July 1914 – 27 April 1980) was an Italian director, screenwriter, special effects artist, and cinematographer from the "golden age" of Italian horror films. His work kick-started the giallo film genre and the modern "slasher film". His son Lamberto Bava later went on to become a noted horror film director in his own right.
Document 3: Christophe Gans: Christophe Gans (born 11 March 1960) is a French film director, producer and screenwriter, who specializes in horror and fantasy movies.
Document 4: Federico Fellini: Federico Fellini, Cavaliere di Gran Croce OMRI (] ; 20 January 1920 – 31 October 1993) was an Italian film director and screenwriter. Known for his distinct style that blends fantasy and baroque images with earthiness, he is recognized as one of the greatest and most influential filmmakers of all time. His films have ranked, in polls such as "Cahiers du cinéma" and "Sight & Sound", as some of the greatest films of all time. "Sight & Sound" lists his 1963 film "8½" as the 10th-greatest film of all time.
Document 5: Once Upon a Time in the West: Once Upon a Time in the West ( ) is a 1968 epic Spaghetti Western film co-written and directed by Sergio Leone. It stars Henry Fonda, cast against type, as the villain, Charles Bronson as his nemesis, Claudia Cardinale as a newly widowed homesteader, and Jason Robards as a bandit. The screenplay was written by Sergio Donati and Leone, from a story by Dario Argento, Bernardo Bertolucci and Leone. The widescreen cinematography was by Tonino Delli Colli, and the acclaimed film score was by Ennio Morricone.
Document 6: Dennis Gansel: Dennis Gansel (born 4 October 1973) is a film director, writer and actor from Germany.
Document 7: Brotherhood of the Wolf: Brotherhood of the Wolf (French: Le Pacte des loups ) is a 2001 French historical action horror film directed by Christophe Gans, co-written by Gans and Stéphane Cabel, and starring Samuel Le Bihan, Mark Dacascos, Émilie Dequenne, Monica Bellucci and Vincent Cassel.
Document 8: Xavier Gens: Xavier Gens (born on (1975--)27 1975 in Dunkirk, France) is a French film director.
Document 9: Jean-François Laguionie: Jean-François Laguionie (born October 10, 1939 in Besançon) is a French animator, film director and producer of animation.
Document 10: Duccio Tessari: Duccio Tessari (11 October 1926 – 6 September 1994) was an Italian director, screenwriter and actor, considered one of the fathers of spaghetti westerns.
Document 11: The Good, the Bad and the Ugly: The Good, the Bad and the Ugly (Italian: "Il buono, il brutto, il cattivo" ,  "The good, the ugly, the bad" ) is a 1966 epic Spaghetti Western film directed by Sergio Leone and starring Clint Eastwood, Lee Van Cleef, and Eli Wallach in their respective title roles. Its screenplay was written by Age & Scarpelli, Luciano Vincenzoni and Leone (with additional screenplay material and dialogue provided by an uncredited Sergio Donati), based on a story by Vincenzoni and Leone. Director of photography Tonino Delli Colli was responsible for the film's sweeping widescreen cinematography, and Ennio Morricone composed the film's score including its main theme. It was an international co-production between Italy, Spain, West Germany and the United States.
Document 12: Christopher Nolan: Christopher Edward Nolan ( ; born 30 July 1970) is an English-American film director, producer, and screenwriter. He is one of the highest-grossing directors in history, and among the most successful and acclaimed filmmakers of the 21st century.
Document 13: Ennio Morricone: Ennio Morricone, (] ; born 10 November 1928) is an Italian composer, orchestrator, conductor, and former trumpet player. He composes a wide range of music styles, making him one of the most versatile, experimental and influential composers of all time, working in any medium. Since 1946 Morricone has composed over 500 scores for cinema and television, as well as over 100 classical works. His filmography includes over 70 award-winning films, including all Sergio Leone films since "A Fistful of Dollars" (including "The Good, the Bad and the Ugly" and "Once Upon a Time in the West"), all Giuseppe Tornatore films (since "Cinema Paradiso"), "The Battle of Algiers", Dario Argento's "Animal Trilogy", Bernardo Bertolucci's "1900", "", "Days of Heaven", several major films in French cinema, in particular the comedy trilogy "La Cage aux Folles I", "II", "" and "Le Professionnel", John Carpenter's "The Thing", Roland Joffé's "The Mission", Brian De Palma's "The Untouchables" and "Mission to Mars", Barry Levinson's "Bugsy" and "Disclosure", Wolfgang Petersen's "In the Line of Fire", Warren Beatty's "Bulworth", Liliana Cavani's "Ripley's Game" and Quentin Tarantino's "The Hateful Eight".
Document 14: Dario Argento: Dario Argento (] ; born 7 September 1940) is an Italian film director, producer, film critic and screenwriter. He is best known for his work in the horror film genre during the 1970s and 1980s, particularly in the subgenre known as "giallo", and for his influence on modern horror movies.
Document 15: Sergio Leone: Sergio Leone (] ; 3 January 1929 – 30 April 1989) was an Italian film director, producer and screenwriter, credited as the inventor of the "Spaghetti Western" genre.
ground_truth: Sergio Leone