Question: Which director was also a screenwriter, Ivan Reitman or Harry Beaumont?

full_context: Document 1: Ivan Reitman: Ivan Reitman, OC (born October 27, 1946) is a Slovak-Canadian film producer and director, best known for his comedy work, especially in the 1980s and 1990s. He is the owner of The Montecito Picture Company, founded in 1998.
Document 2: Lloyd Bacon: Lloyd Francis Bacon (December 4, 1889 – November 15, 1955) was an American screen, stage and vaudeville actor and film director. As a director he made films in virtually all genres, including westerns, musicals, comedies, gangster films, and crime dramas. He was one of the directors at Warner Bros. in the 1930s who helped give that studio its reputation for gritty, fast-paced "torn from the headlines" action films.
Document 3: Meatballs (film): Meatballs is a 1979 Canadian comedy film directed by Ivan Reitman. It is noted for Bill Murray's first film appearance in a starring role and for launching the directing career of Reitman whose later comedies included "Stripes" (1981) and "Ghostbusters" (1984), both starring Murray. The film also introduced child actor Chris Makepeace in the role of Rudy Gerner. It was followed by several sequels, of which only "" (1986) had any connection to the original.
Document 4: Brent Montgomery: Brent Montgomery is CEO of ITV America, with oversight of ITV’s US portfolio, including ITV Entertainment, Leftfield Pictures, Sirens Media, Outpost Entertainment, Loud TV, Red Bandit, Thinkfactory Media, High Noon Entertainment, DiGa and Gurney Productions. ITV America produces more than 800 hours of content and 100 non-scripted programs per year, working in partnership with more than 40 networks.
Document 5: Rick Moranis: Frederick Allan "Rick" Moranis (born April 18, 1953) is a Canadian-American actor, comedian, screenwriter, producer, musician, and songwriter. He is currently on film acting hiatus. He came to prominence in the sketch comedy series "Second City Television" ("SCTV") in the 1980s and later appeared in several Hollywood films, including "Strange Brew" (1983), "Ghostbusters" (1984), "Spaceballs" (1987), "Little Shop of Horrors" (1986), "Honey, I Shrunk the Kids" (1989, and its 1992 and 1997 sequels), "Parenthood" (1989), "My Blue Heaven" (1990), and "The Flintstones" (1994).
Document 6: Harry Beaumont: Harry Beaumont (February 10, 1888 – December 22, 1966) was an American film director, actor, and screenwriter. He worked for a variety of production companies including Fox, Goldwyn, Metro, Warner Brothers, and Metro-Goldwyn-Mayer.
Document 7: Howard Hawks filmography: Howard Hawks (1896–1977) was an American film director who made 46 films (including two uncredited) between 1926 and 1970. He is responsible for classic films in genres ranging from film noir, screwball comedy, crime, science fiction and Western.
Document 8: Fred C. Newmeyer: Fred C. Newmeyer (August 9, 1888 – April 24, 1967) was an American actor, film director and film producer.
Document 9: Howard Hawks: Howard Winchester Hawks (May 30, 1896December 26, 1977) was an American film director, producer and screenwriter of the classic Hollywood era. Critic Leonard Maltin called him "the greatest American director who is not a household name."
Document 10: Jason Reitman: Jason Reitman ( ; born October 19, 1977) is a Canadian-American film director, screenwriter, and producer, best known for directing the films "Thank You for Smoking" (2005), "Juno" (2007), "Up in the Air" (2009), and "Young Adult" (2011). As of February 2, 2010, he has received one Grammy Award and four Academy Award nominations, two of which are for Best Director. Reitman is a dual citizen of Canada and the United States. He is the son of director Ivan Reitman.
Document 11: Micom Film and TV Productions: MICOM Film and TV Productions was established in 1989 by Sreco Mihelcic in a Former Yugoslavian republic Slovenia. In the early 90' company joined two sons, Matjaz Mihelcic - Program director, Producer and Vasja Mihelcic - technical director and Executive Producer. MICOM was in 1990s the leading Slovenian creative house, producing TV shows for youth, popular entertainment TV shows and discovered many new TV concepts. Micom discovered many talents, different creative people and gave them possibility to express themselves. The most popular TV shows were: Lahkih nog naokrog (educational youth TV series), Cari zacimb (entertaining cooking TV series), Razpoke v casu (fantasy TV series). They also produced documentary movies. One of them got in 1996 internationally release - Fight for the river and it's distributed by International Historic Films.. In the beginning of 2000 company joined Marjana Mihelcic. It was a family based company with long tradition in show and entertainment business. Micom produced around 30.000 minutes of program for National TV Slovenia and other media. In 2002 company stopped producing because of the tragedy in the family. Both sons went separate way and build their own Film and TV production house.
Document 12: Harry Edwards (director): Harry Edwards (October 11, 1887 - May 26, 1952) was a Canadian-born American film director and actor. He worked in films from the 1910s to the 1950s.
Document 13: His Majesty, Bunker Bean (1925 film): His Majesty, Bunker Bean is a 1925 silent film comedy directed by Harry Beaumont and starring Matt Moore. It is based on a 1916 play, "His Majesty, Bunker Bean" by Lee Wilson Dodd, taken from a novel "Bunker Bean" by Harry Leon Wilson. It was produced and distributed by Warner Brothers.
Document 14: John Dunning (film producer): John Dunning (April 27, 1927–September 19, 2011) was a pioneering Canadian film producer from Montreal who co-founded the Canadian film production company Cinépix and produced early works by notable Canadian directors David Cronenberg and Ivan Reitman. Dunning launched Cinépix with partner André Link in Montreal in the early 1960s. Their biggest commercial success—and the first Canadian box office hit—came with Reitman’s "Meatballs" (1979).
Document 15: Ivan Tors: Ivan Tors (born Iván Törzs; June 12, 1916  in Budapest, Hungary– June 4, 1983 in the Brazilian state of Mato Grosso) was a Hungarian playwright, film director, screenwriter, and film and television producer with an emphasis on non-violent but exciting science fiction, underwater sequences, and stories involving animals. He started a Miami-based film studio now known as Greenwich Studios, and later a music company.
ground_truth: Harry Beaumont