Question: Which charismatic Jewish American mobster created the Cohen crime family in the early 1930s? 
Sentence (from "Cohen crime family"): 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.
Relevant evidence: No