Question: The Irish Mob existing since the early 19th century is said to have murdered which Lebanese American bookmaker from South Boston? 
Sentence (from "Irish Mob"): Originating in Irish American street gangs of the 19th century—depicted in Herbert Asbury's 1928 book "The Gangs of New York"—the Irish Mob has appeared in most major U.S. cities, including Boston, New York City, Philadelphia, and Chicago.
Relevant evidence: No