Question: What was the nickname of the real gangster whom the Godfather's Morris "Moe" Greene name is a partial composite of? 

full_context: Document 1: Don Fanucci: Don Fabrizio Fanucci is a fictional character appearing in the Mario Puzo's novel "The Godfather" and the film "The Godfather Part II", a sequel to the film version of Puzo's novel. Fanucci is portrayed by Gastone Moschin and is based on the personality of Ignazio Lupo, a real-life mafioso.
Document 2: List of Cohen crime family members: The Cohen crime family, or the Siegel-Cohen crime syndicate, was a Jewish-Italian crime family that was active from 1933 to 1961. The family was founded by New York Jewish mobster Benjamin "Bugsy" Siegel in the early 1930s. He had Los Angeles Mafia boss Jack Dragna and Jewish mobsters Mickey Cohen and Moe Sedway as his lieutenants. He created the biggest prostitution ring, gambling and protection rackets in Las Vegas and Los Angeles. He also expanded into drug trafficking and bookmaking.
Document 3: Morris Shenker: Morris A. Shenker (January 10, 1907 – August 9, 1989) was an American lawyer best known for his connections to labor leader Jimmy Hoffa and Teamster funding of Las Vegas in the 1960s.
Document 4: Salvatore Tessio: Salvatore "Sal" Tessio is a fictional character in Mario Puzo's 1969 novel "The Godfather", as well as two of the films based on it: "The Godfather" and "The Godfather Part II" (1974). His given name was created for the films; in the novel he is referred to only as "Tessio". In the film "The Godfather", Tessio was portrayed by Abe Vigoda. In "The Godfather Part II", John Aprea portrayed the younger Tessio, while Vigoda reprised the role in a flashback, set in late 1941, at the end of the film.
Document 5: Moe Dalitz: Morris Barney Dalitz (December 25, 1899 – August 31, 1989), known as Moe Dalitz, was an American gangster, businessman, casino owner and philanthropist. He was one of the major figures who shaped Las Vegas, in the 20th century. He was often referred to as "Mr. Las Vegas".
Document 6: Kirk Kerkorian: Kerkor "Kirk" Kerkorian (June 6, 1917 – June 15, 2015) was an Armenian-American businessman, investor, and philanthropist. He was the president and CEO of Tracinda Corporation, his private holding company based in Beverly Hills, California. Kerkorian is known for having been one of the important figures in the shaping of Las Vegas and, with architect Martin Stern, Jr. described as the "father of the mega-resort". He built the world's largest hotel in Las Vegas three times: the International Hotel (opened in 1969), the MGM Grand Hotel (1973) and the MGM Grand (1993). He purchased the Metro-Goldwyn-Mayer movie studio in 1969.
Document 7: Alex Rocco: Alessandro Federico Petricone, Jr. (February 29, 1936 – July 18, 2015), known professionally as Alex Rocco, was an American actor. Often cast as a villain, he is best known for his portrayal of Moe Greene in "The Godfather" and his Primetime Emmy Award for Supporting Actor in a Comedy for "The Famous Teddy Z". He did a significant amount of voiceover work later in his career, and was known for his gravelly voice. He was also a member of the Bahá'í Faith.
Document 8: Stanley Ho: Dato' Sri Stanley Ho {'1': ", '2': ", '3': 'GBM GLM GBS GML OBE', '4': "} (Chinese: 何鴻燊, born 25 November 1921) is the founder and Chairman of SJM Holdings, which owns nineteen casinos in Macau, China including the Grand Lisboa. Ho has been nicknamed "The King of Gambling", reflecting the government-granted monopoly he held on the Macau gambling industry for 40 years. Ho's wealth is divided among his wife Angela Leong($4.1B), daughter Pansy Ho($4.4B) who owns MGM Macau, and son Lawrence Ho($2.2B) who owns City of Dreams.
Document 9: Cohen crime family: The Cohen crime family, or the Siegel crime syndicate, was an Italian-American Mafia / Jewish Mafia crime family created by New York Jewish American mobster Benjamin "Bugsy" Siegel in the early 1930s. Siegel ran Los Angeles and later Las Vegas' illegal gambling and prostitution rings with his lieutenants Mickey Cohen, David Berman, Harold "Hooky" Rothman, Moe Sedway and boss of the L.A. family Jack Dragna.
Document 10: David Berman (mobster): David Berman (1903–1957), nicknamed "Davie the Jew", was a Jewish-American organized crime figure in Iowa, New York City, Minneapolis, and Las Vegas. He was one of the pioneers of gambling in Las Vegas, where he was a partner with flamboyant mobster Bugsy Siegel at the Flamingo Hotel. Berman died a non-violent death in 1957 during surgery.
Document 11: Hyman Roth: Hyman Roth (born Hyman Suchowsky; 1891 – 1960) is a fictional character and antagonist in "The Godfather Part II" and a minor character in the novel "The Godfather Returns". He is a Jewish investor and a business partner of Vito Corleone, and later his son Michael Corleone. He is based on Florida mobster Meyer Lansky and was played by Lee Strasberg in the movie.
Document 12: Frank Rosenthal: Frank Lawrence "Lefty" Rosenthal (June 12, 1929 – October 13, 2008) was a professional sports better, former Las Vegas casino executive, and organized crime associate. Martin Scorsese's film "Casino" (1995) is based on his career in Las Vegas.
Document 13: Moe Greene: Morris "Moe" Greene is a fictional character appearing in Mario Puzo's 1969 novel "The Godfather" and the 1972 movie of the same name. The character's name is a composite of real Las Vegas mobsters Moe Dalitz, or possibly Moe Sedway, and Gus Greenbaum. However, both Greene's character and personality are actually based on Bugsy Siegel: his affiliation with the mob in Los Angeles, his involvement in the development of Las Vegas, and his flamboyant tendencies. Greene is portrayed in the movie by Alex Rocco.
Document 14: Sheldon Adelson: Sheldon Gary Adelson (pronounced ; born August 4, 1933) is an American business magnate, investor, and philanthropist. He is the founder, chairman and chief executive officer of Las Vegas Sands Corporation, which owns the Marina Bay Sands in Singapore, and is the parent company of Venetian Macao Limited, which operates The Venetian Resort Hotel Casino and the Sands Expo and Convention Center. He also owns the Israeli daily newspaper "Israel Hayom", and the "Las Vegas Review-Journal". Adelson, a lifelong donor and philanthropist to a variety of causes, founded with his wife's initiative the Adelson Foundation. He is a member of the Republican Party.
Document 15: Bugsy Siegel: Benjamin "Bugsy" Siegel (February 28, 1906 – June 20, 1947) was a Jewish American mobster. Siegel was known as one of the most "infamous and feared gangsters of his day". Described as handsome and charismatic, he became one of the first front-page celebrity gangsters. He was also a driving force behind the development of the Las Vegas Strip. Siegel was not only influential within the Jewish mob but, like his friend and fellow gangster Meyer Lansky, he also held significant influence within the Italian-American Mafia and the largely Italian-Jewish National Crime Syndicate.
ground_truth: Mr. Las Vegas