Question: Do we know for a fact that Alfred L. Werker directed more films than Jon Jost?

full_context: Document 1: Alfred E. Green: Alfred E. Green (July 11, 1889 in Perris, California – September 4, 1960 in Hollywood, California) was a prolific movie director. Green entered film in 1912 as an actor for the Selig Polyscope Company. He became an assistant to director Colin Campbell. He then started to direct two-reelers until he started features in 1917.
Document 2: The White Hell of Pitz Palu: The White Hell of Pitz Palu (German: "Die weisse Hölle vom Piz Palü" ) is a 1929 German silent mountain film co-directed by Arnold Fanck and Georg Wilhelm Pabst and starring Leni Riefenstahl, Gustav Diessl, Ernst Petersen, and World War I flying ace Ernst Udet. Written by Arnold Fanck and Ladislaus Vajda, the film is about a man who loses his wife in an avalanche while climbing the Piz Palü mountain, and spends the next few years searching the mountain alone for her body. Four years later he meets a young couple who agree to accompany him on his next climb. "The White Hell of Pitz Palu" was filmed on location in the Bernina Range in Graubünden, Switzerland. The 1929 theatrical release starred Kurt Gerron, who was Jewish, as a night club guest. The film was edited to remove scenes featuring Gerron, and it was rereleased as a 90-minute German-language sound film in 1935. It was remade in 1950.
Document 3: Alfred L. Werker: Alfred L. Werker (December 2, 1896 – July 28, 1975) was a film director whose work in movies spanned from 1917 through 1957. After a number of film production jobs and assistant directing, Werker co-directed his first film, "Ridin' the Wind" in 1925 alongside director Del Andrews. He was brought in by Fox Film Corporation executives to re-shoot and re-edit Erich von Stroheim's film "Hello, Sister!" (1933), co-starring Boots Mallory and ZaSu Pitts.
Document 4: Jon Jost: Jon Jost (born 16 May 1943 in Chicago) is an American independent filmmaker.
Document 5: All the Vermeers in New York: All the Vermeers in New York is a 1990 American film written, directed and produced by Jon Jost.
Document 6: Albert Parker (director): Albert Parker (May 11, 1885 – August 10, 1974) was an American film director, producer, screenwriter and actor. He directed 36 films between 1917 and 1938. In the early 1930s Parker left Hollywood for England where he continued to direct films and also opened an actors' agency office. One of his later clients in the 1960s was a young actress named Helen Mirren.
Document 7: Fred Fleck: Fred Fleck (June 6, 1892 – November 9, 1961), also known as Fred A. Fleck, Frederick Fleck, or Freddie Fleck, was an American assistant director and production manager. Born in New York City on June 4, 1892, he broke into the film business as an assistant director on the 1928 silent film, "The Riding Renegade", directed by Wallace Fox. During his 30-year career, he would work on some notable films, with some notable directors. Some of those films include: the epic "Hell's Angels" (1930), directed by Howard Hughes; King Vidor's "Bird of Paradise" (1932); the Ginger Rogers' 1941 vehicle, Tom, Dick and Harry, directed by Garson Kanin; 1942's "The Magnificent Ambersons", directed by Orson Welles, and starring Joseph Cotten and Anne Baxter; "Born to be Bad" (1950), starring Joan Fontaine and Robert Ryan; and Josef von Sternberg's "Jet Pilot" (1957), starring John Wayne. Fleck was also one of the aerial cameramen on George Archainbaud's classic 1932 film, "The Lost Squadron".
Document 8: Jonas Mekas: Jonas Mekas (] ; born December 24, 1922) is a Lithuanian American filmmaker, poet and artist who has often been called "the godfather of American avant-garde cinema." His work has been exhibited in museums and festivals worldwide.
Document 9: Jonas in the Jungle: Jonas in the Jungle is a 2013 documentary film by Peter Sempel about the filmmaker Jonas Mekas. It is part of a long term series of films about Mekas ("Jonas in the Desert" (1991), "Jonas at the Ocean" (2004)). The earlier films were focused more on Mekas' work, while this film is more about the life of the 'legend of film avant-garde' as he enters his 90's, still working, and still maintaining relevance in the modern world.
Document 10: Arthur Roberts (editor): Arthur Roberts July 17, 1890 – February 5, 1961), also known as Arthur E. Roberts, was an American film editor who edited over 100 films during his almost 30 year career. He began ending towards the end of the silent era of the film industry, his first film being 1927's "The College Hero", directed by Walter Lang. His last film was Republic's "Lay That Rifle Down" in 1955, after which he spent a brief period as the editor for the television series, "Lassie", before retiring in 1956. During his career he would work with many famous directors, including Frank Capra (on several films, including "The Donovan Affair"), Lowell Sherman (on "The Royal Bed"), William Seiter (on several films, including "Way Back Home"), Edward Cline (on "Cracked Nuts"), George Cukor ("A Bill of Divorcement"), Dorothy Arzner (the first female member of the DGA, on "Christopher Strong"), Anthony Mann ("Strangers in the Night"), George Archainbaud ("Girls of the Big House"), Fritz Lang ("House by the River"),
Document 11: J. C. Chandor: Jeffrey McDonald Chandor (born November 24, 1973) — known as J. C. Chandor ( ) — is an Academy Award-nominated American film director, producer and screenwriter, best known for writing and directing the films "Margin Call" (2011), "All Is Lost" (2013), and "A Most Violent Year" (2014).
Document 12: Giona Ostinelli: Giona Ostinelli (born March 12, 1986) is a Swiss–Italian composer who resides and works in Los Angeles. He has written scores for over 30 feature films that premiered at Sundance Film Festival, Tribeca Film Festival, Cannes International Film Festival, South by Southwest Film Festival, Fantastic Fest, FrightFest, Cincinnati Film Festival, Hamptons International Film Festival, Palm Springs International Film Festival, Fort Lauderdale International Film Festival, Chicago International Children's Film Festival, among others. Ostinelli's score for breakout psychological thriller "Darling" released by Lakeshore Records and fan favorite Mondo Records has been described as "one of the most interesting and innovative soundscapes...". His soundtrack for "POD" has been shortlisted for the Academy Awards for Best Original Score.
Document 13: Phil Joanou: Phil Joanou (born November 20, 1961 in La Cañada Flintridge, California) is an American director of film, music videos, and television programs.
Document 14: Spike Jonze: Spike Jonze (pronounced "Jones" ; born Adam Spiegel on October 22, 1969) is an American skateboarder, filmmaker, director, producer, photographer, screenwriter, and actor, whose work includes music videos, commercials, film and television.
Document 15: Hello, Sister!: Hello, Sister! is a 1933 American pre-Code drama film directed by Alan Crosland, Erich von Stroheim, Raoul Walsh, and Alfred L. Werker. It is a re-edited version of von Stroheim's now-lost film Walking Down Broadway. "Hello, Sister!" was itself thought to have perished as well, until a print was found in the 1970s.
ground_truth: no