Question: Who was the main rival of Johnny Torrio and Al Capone during the Chicago bootlegging wars of the 1920s?
Sentence (from "Johnny Torrio"): John Torrio (January 20, 1882 – April 16, 1957) also known as "Papa Johnny", "The Fox", and "The Immune", was an Italian-American mobster who helped build a criminal empire, the Chicago Outfit, in the 1920s; it was later inherited by his protégé, Al Capone.
Relevant evidence: Yes