Claim: Jonathan Sonne emerged as a champion in two events such as two Grand Prix competitions in 2005 which were held in Austin and Philadelphia, the sixth most populous city in the United States in 2019.
Evidence: Philadelphia, colloquially Philly, is the largest city in the U.S. state of Pennsylvania and the sixth-most populous U.S. city, with a 2019 estimated population of 1,584,064. Jonathan Sonne is an American Magic: The Gathering player. He has reached the top eight of a Pro Tour once, and has won two Grand Prix. Grand Prix Philadelphia Grand Prix Austin 2 (7) 2005 2005 9–10 October 2004 12–13 November 2005