Question: MIchael Silotro was the brother of an American mobster who replaced what Outfit member in Las Vegas?
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