Question: What did John T. Thompson invent and lend his name to, a notorious feature of the Prohibition era that earned nicknames including the "Chicago Typewriter" and "Trench Sweeper"?
Sentence (from "Boardwalk Empire (season 1)"): Set in Atlantic City, New Jersey, during the Prohibition era, the series stars Steve Buscemi as Enoch "Nucky" Thompson (based on the historical Enoch L. Johnson), a political figure who rose to prominence and controlled Atlantic City, New Jersey, during the Prohibition period of the 1920s and 1930s.
Relevant evidence: No