question: Enrico Tameleo was an Italian-American mobster from Boston and underboss in what crime family with two distinct factions?
answer: Patriarca crime family
context: Title: Enrico Tameleo
  Passage: Enrico "Henry" Tameleo (died 1985), also known as "The Referee," was an Italian-American mobster from Boston, Massachusetts and underboss in the New England-based Patriarca crime family and was also a member of the New York-based Bonanno crime family of La Cosa Nostra from 1952 to 1968.
  Title: Patriarca crime family
  Passage: The Patriarca crime family (pronounced ] ) is also known as the New England crime family, the Providence crime family, the Boston crime family, the Boston Mafia, the Providence Mafia, the New England Mafia, or The Office and is an Italian-American Mafia crime family based in New England.  The crime family has two distinct factions, one active in Providence, Rhode Island and the other in Boston, Massachusetts.
  Title: Anthony Casso
  Passage: Anthony Salvatore "Gaspipe" Casso (born May 21, 1940 in Brooklyn, New York City) is an Italian-American mobster and former underboss of the Lucchese crime family.  During his career in organized crime, Casso was regarded as a "homicidal maniac" in the American Mafia, single-handedly killing over 40 to 50 people, and ordering as many as 100 or more murders.  Former Lucchese captain and government witness Anthony Accetturo once said of Casso, "all he wanted to do is kill, kill, get what you can, even if you didn't earn it."  In interviews and on the witness stand, Casso has confessed involvement in the murders of Frank DeCicco, Roy DeMeo, and Vladimir Reznikov.  Casso has also admitted to several attempts to murder Gambino family boss John Gotti.
citations: Patriarca crime family Enrico Tameleo