Question: Name the American author and former stockbrocker who pleaded guilty to fraud in 1999 after his brokerage house, Stratton Oakmont, defrauded many of its shareholders?
Sentence (from "Jordan Belfort"): In 1999, he pleaded guilty to fraud and related crimes in connection with stock-market manipulation and running a boiler room as part of a penny-stock scam.
Relevant evidence: Yes