Question: What is the date of birth of Alston Purvis's father?
Sentence (from "Melvin Purvis"): Roger Touhy, a minor-league gangster who was arrested as Purvis fought the huge Capone organisation during Prohibition, alleged he suffered the loss of 25 lbs of body weight and several teeth plus broken vertebrae due to being beaten every time he fell asleep during weeks of questioning by Purvis's men.
Relevant evidence: No