Question: Jörg Buttgereit and Mike Cahill, have which mutual occupations?

full_context: Document 1: Michael Cimino: Michael Cimino ( ; February 3, 1939 – July 2, 2016) was an American film director, screenwriter, producer and author.
Document 2: Der Todesking: Der Todesking (aka "The Death King") is a 1989 German horror film directed by Jörg Buttgereit. This experimental style movie, which does not use central characters, explores the topic of suicide and violent death in the form of seven episodes, each one attributed to one day of the week. These episodes are enframed by the vision of a human body, slowly rotting during the course of the movie.
Document 3: Schramm (film): Schramm is a 1993 German horror film directed by controversial taboo-breaking auteur Jörg Buttgereit. It is stylised and artfully shot on 16mm film. It tells the story of a man who has been known in the media as the 'Lipstick Killer'. Loosely based on true crime criminology profiles of Carl Panzram and similar serial killers.
Document 4: Mike Mitchell (director): Mike Mitchell (born October 18, 1970) is an American film director, producer, actor and former animator. He directed the films "Surviving Christmas", "Sky High", "Shrek Forever After" and "".
Document 5: Rainer Werner Fassbinder: Rainer Werner Fassbinder (] ; 31 May 1945 – 10 June 1982) was a West German filmmaker, actor, playwright and theatre director, part of the New German Cinema movement.
Document 6: Herbert Achternbusch: Herbert Achternbusch (born 23 November 1938 in Munich) is a German writer, painter and filmmaker. His anarchist surrealistic films are not known to a wide audience in Germany, although one of them, "Das Gespenst (The Ghost)", caused a scandal in 1983 because of its
Document 7: Mike Costanza: Mike Costanza is an award-winning filmmaker and writer/director. Mike began his career in the Art Department on feature films. He then went on to direct short films. Mike's short "Mama Said" screened at Sundance and in the prestigious Official Selection of films in Competition at The Cannes Film Festival and was nominated for the Palme d'Or award. Stylized with disorienting authenticity, "Mama Said" is a critique of Race relations and pop culture of 60’s America. "Mama Said" also screened on The Sundance Channel.
Document 8: Nekromantik 2: Nekromantik 2: Die Rückkehr der Liebenden Toten (The Return of the Loving Dead) (stylized as "NEKRomantik 2") is a 1991 German horror film directed by Jörg Buttgereit and a sequel to his 1987 film "Nekromantik". The film is about necrophilia, and was quite controversial and was seized by authorities in Munich 12 days after its release, an action that had no precedent in Germany since the Nazi era.
Document 9: Terrence Malick: Terrence Frederick Malick ( ; born November 30, 1943) is an American film director, screenwriter and producer.
Document 10: Jörg Buttgereit: Jörg Buttgereit (born 20 December 1963) is a German writer/director known for his controversial films. He was born in Berlin, Germany and has lived there his entire life.
Document 11: Another Earth: Another Earth is a 2011 American independent science fiction-drama film directed by Mike Cahill. It stars Brit Marling, William Mapother, and Robin Lord Taylor. It premiered at the 27th Sundance Film Festival in January 2011, and was distributed by Fox Searchlight Pictures.
Document 12: Mike Figgis: Michael "Mike" Figgis (born 28 February 1948) is an English film director, screenwriter, and composer. He was nominated for two Academy Awards for his work in "Leaving Las Vegas" (1995).
Document 13: Werner Herzog: Werner Herzog (] ; born 5 September 1942) is a German screenwriter, film director, author, actor, and opera director.
Document 14: Mike Cahill (director): Mike Cahill (born July 5, 1979) is an American film director and screenwriter.
Document 15: Nekromantik: Nekromantik (stylized as NEKRomantik) is a 1987 West German horror exploitation film co-written and directed by Jörg Buttgereit. It is known to be frequently controversial, banned in a number of countries, and has become a cult film over the years due to its transgressive subject matter (including necrophilia) and audacious imagery.
ground_truth: film director and screenwriter