Question: Who won more Academy Awards Robert Ellis or Kevin Costner ?

full_context: Document 1: Kevin Bacon: Kevin Norwood Bacon (born July 8, 1958) is an American actor and musician. His notable films include musical-drama film "Footloose" (1984), the controversial historical conspiracy legal thriller "JFK" (1991), the legal drama "A Few Good Men" (1992), the historical docudrama "Apollo 13" (1995), and the mystery drama "Mystic River" (2003). Bacon is also known for taking on darker roles such as that of a sadistic guard in "Sleepers" (1996) and troubled former child abuser in a critically acclaimed performance in "The Woodsman" (2004). He is equally prolific on television, having starred in the Fox drama series "The Following" (2013–2015). For the HBO original film "Taking Chance" (2009), Bacon won a Golden Globe Award and a Screen Actors Guild Award, also receiving a Primetime Emmy Award nomination. "The Guardian" named him one of the best actors never to have received an Academy Award nomination. In 2003, Bacon received a star on the Hollywood Walk of Fame for his contributions to the motion pictures industry.
Document 2: Kevin Costner &amp; Modern West: Kevin Costner & Modern West is a rock/country band which the actor Kevin Costner founded with the encouragement of his wife Christine. He began a worldwide tour with the band in October 2007, which included shows in Istanbul and Rome. It also performed at NASCAR Sprint Cup Series races at Daytona International Speedway and Lowe's Motor Speedway in Concord, North Carolina.
Document 3: 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 4: Robert Florey: Robert Florey (14 September 1900 – 16 May 1979) was a French-American director, screenwriter, film journalist, and occasional actor.
Document 5: Arthur Rosson: Arthur Rosson (24 August 1886 – 17 June 1960) was an English film director. From 1917 to 1948, Rosson directed 61. He also worked on many major films as a second unit director until 1960, particularly for Cecil B. DeMille.
Document 6: Kevin Costner filmography: American actor, director, and producer Kevin Costner has won two Academy Awards, among other awards. The following is his complete filmography.
Document 7: Kevin Reynolds (director): Kevin Hal Reynolds (born January 17, 1952) is an American film director and screenwriter. He is best known for directing films such as "", "Waterworld", "The Count of Monte Cristo", the cult classic "Fandango", and the 2016 film "Risen". He was nominated for a Primetime Emmy Award for the History miniseries "Hatfields & McCoys".
Document 8: Kevin Costner: Kevin Michael Costner (born January 18, 1955) is an American actor, director, producer, and musician. His accolades include two Academy Awards, three Golden Globe Awards, and one Emmy Award.
Document 9: Robert F. Hill: Robert F. Hill (April 14, 1886 – March 18, 1966) was a Canadian film director, screenwriter, and actor during the silent film era.
Document 10: Michael Douglas: Michael Kirk Douglas (born September 25, 1944) is an American actor and producer. Douglas's career includes a diverse range of films in independent and blockbuster genres, for which he has received a number of accolades, both competitive and honorary. These awards include the Golden Globe Cecil B. DeMille Award for "outstanding contributions to the world of entertainment" and the AFI Life Achievement Award, which "honor[s] an individual whose career in motion pictures or television has greatly contributed to the enrichment of American culture".
Document 11: Robert Z. Leonard: Robert Zigler Leonard (October 7, 1889 – August 27, 1968) was an American film director, actor, producer, and screenwriter.
Document 12: Art Ellison: Arthur Wayland "Art" Ellison (1899–1994) was an actor and director who worked for the Kansas City Power and Light Company for forty-eight years before becoming a professional actor. Prior to that, he had appeared in scores of amateur stage productions in the Kansas City area. He was born in Potsdam, New York and he died in Kansas City, Missouri. Director Herk Harvey speculated that Art Ellison had acted in more industrial and educational films than any other, including some directed by a young Robert Altman. He is best known for his part in the 1962 cult-classic horror film "Carnival of Souls".
Document 13: Kevin Spacey: Kevin Spacey Fowler, KBE (born July 26, 1959) is an American actor, film director, producer, screenwriter, and singer. He began his career as a stage actor during the 1980s before obtaining supporting roles in film and television. He gained critical acclaim in the early 1990s that culminated in his first Academy Award for Best Supporting Actor for the neo-noir crime thriller "The Usual Suspects" (1995), and an Academy Award for Best Actor for midlife crisis-themed drama "American Beauty" (1999).
Document 14: Dances with Wolves (soundtrack): Dances with Wolves is the original soundtrack of the 1990 Academy Award and Golden Globe winning film "Dances with Wolves" produced, directed, and starring Kevin Costner. The original score and songs were composed and conducted by John Barry.
Document 15: Robert Ellis (actor, born 1892): Robert Ellis (June 27, 1892 – December 29, 1974) was an American film actor, screenwriter and film director. He appeared in 166 films between 1913 and 1934. He also wrote for a 65 films and directed 61. He was born in Brooklyn, New York and died in Santa Monica, California. At one time he was married to May Allison.
ground_truth: Kevin Michael Costner