Question: Which film director was born in Romania, Leni Riefenstahl or Mitch Anderson?

full_context: Document 1: Charlotte Riefenstahl: Charlotte Riefenstahl (24 May 1899 in Bielefeld, Germany – 6 January 1993 in Northfield, Minnesota, United States ) was a German physicist. She has no relation to Leni Riefenstahl, the notable German filmmaker.
Document 2: Olympia (1938 film): Olympia is a 1938 German documentary film written, directed and produced by Leni Riefenstahl, documenting the 1936 Summer Olympics, held in the Olympic Stadium in Berlin, Germany. The film was released in two parts: "Olympia 1. Teil — Fest der Völker" (Festival of Nations) and "Olympia 2. Teil — Fest der Schönheit" (Festival of Beauty). It was the first documentary feature film of the Olympic Games ever made. Many advanced motion picture techniques, which later became industry standards but which were groundbreaking at the time, were employed —including unusual camera angles, smash cuts, extreme close-ups, placing tracking shot rails within the bleachers, and the like. The techniques employed are almost universally admired, but the film is controversial due to its political context. Nevertheless, the film appears on many lists of the greatest films of all time, including "Time" magazine's "All-Time 100 Movies."
Document 3: Mitch Rapp: Mitch Rapp is a fictional character in a series of novels by Vince Flynn and in the film adaptation of "American Assassin" (previously "Consent to Kill").
Document 4: Mitch Anderson (director): Mitch Anderson is a Romanian-born American film director, producer, writer, researcher and editor. He is the only son of former political dissidents of the Stalinist era. His first film, "The World Without US", explores what might happen if the United States were to leave the international arena, rescind its global reach and return to being a non-interventionist nation.
Document 5: Wes Anderson: Wesley Wales Anderson (born May 1, 1969) is an American film director, film producer, screenwriter, and actor. His films are known for their distinctive visual and narrative style.
Document 6: Leni Riefenstahl's Memoiren: Leni Riefenstahl's Memoiren is the 1987 autobiography of German film director, Leni Riefenstahl. The book received a 1993 American release and coincided with the release of the acclaimed documentary; "The Wonderful, Horrible Life of Leni Riefenstahl" as well as Riefenstahl's ninetieth birthday. It was featured on the 1993 "New York Times" list of notable books of the year.
Document 7: The Wonderful Horrible Life of Leni Riefenstahl: The Wonderful, Horrible Life of Leni Riefenstahl (German: "Die Macht der Bilder: Leni Riefenstahl" ) is a 1993 German documentary film about the life of German film director Leni Riefenstahl, directed by Ray Müller.
Document 8: Brad Anderson (director): Brad Anderson (born 1964) is an American film director, producer and writer. A director of thriller and horror films and television projects, he is best known for having directed "The Machinist" (2004), starring Christian Bale, and "The Call" (2013), starring Halle Berry. He also produced and directed several installments of the FOX science fiction television series "Fringe".
Document 9: J. Todd Anderson: J. Todd Anderson is a storyboard artist who has worked primarily with the Coen brothers, but also with an array of other filmmakers. He also, along with film archivist and friend George Willeman and WYSO D.J. Niki Dakota, produces Filmically Perfect. He made his directorial debut in 1998 with the film "The Naked Man". A few years later, he served as Second Unit Director on the Coen brothers' Intolerable Cruelty, which earned him membership in the Directors Guild of America.
Document 10: Leni Riefenstahl: Helene Bertha Amalie "Leni" Riefenstahl (] ; 22 August 1902 – 8 September 2003) was a German film director, producer, screenwriter, editor, photographer, actress and dancer.
Document 11: Max Anderson (director): Maxim Anderson (25 April 1914 in London, England – 10 July 1959) was a British director and producer of documentaries. He worked with the GPO Film Unit from 1936 onwards, and later changed to Crown Film Unit. He directed documentaries such as "The Harvest Shall Come" (1942) and "Four Men in Prison" (1950).
Document 12: America: Imagine the World Without Her: America: Imagine the World Without Her is a 2014 American political documentary film by Dinesh D'Souza based on his book of the same name. It is a follow-up to his film "" (2012). In the film, D'Souza contends that parts of United States history are improperly and negatively highlighted by liberals, which he seeks to counter with positive highlights. Topics addressed include appropriation of Native American and Mexican lands, slavery, and matters relating to foreign policy and capitalism. D'Souza collaborated with John Sullivan and Bruce Schooley to adapt his book of the same name into a screenplay. D'Souza produced the film with Gerald R. Molen and directed it with Sullivan. The film combined historical reenactments with interviews with different political figures.
Document 13: Triumph of the Will: Triumph of the Will (German: Triumph des Willens ) is a 1935 German propaganda film directed, produced, edited, and co-written by Leni Riefenstahl. It chronicles the 1934 Nazi Party Congress in Nuremberg, which was attended by more than 700,000 Nazi supporters. The film contains excerpts from speeches given by Nazi leaders at the Congress, including Adolf Hitler, Rudolf Hess and Julius Streicher, interspersed with footage of massed Sturmabteilung (SA) and Schutzstaffel (SS) troops and public reaction. Hitler commissioned the film and served as an unofficial executive producer; his name appears in the opening titles. The film's overriding theme is the return of Germany as a great power, with Hitler as the leader who will bring glory to the nation. Because the film was made after the 1934 Night of the Long Knives (on 30 June) many prominent Sturmabteilung (SA) members are absent—they were murdered in that Party purge, organised and orchestrated by Hitler to replace the SA with the Schutzstaffel (SS) as his main paramilitary force.
Document 14: The Last of the Nuba: The Last of the Nuba is the English-language title of German film director Leni Riefenstahl's 1973 Die Nuba, an illustrations book published a year later in the United States. The book was an international bestseller and was followed-up by the successful 1976 book "Die Nuba von Kau".
Document 15: The Anderson Platoon: The Anderson Platoon (French: "La Section Anderson" , released in 1966 in Europe, 1967 in the US) is a documentary feature by Pierre Schoendoerffer about the Vietnam War, named after the leader of the platoon - Lieutenant Joseph B. Anderson - with which Schoendeorffer was embedded. Two decades later, a sequel was released as "Reminiscence".
ground_truth: Mitch Anderson