Question: The 2011 WPA World Nine-ball Championship was organized by an event promotions company founded by who?
Sentence (from "2007 WPA Men's World Nine-ball Championship"): The 2007 WPA Men's World Nine-ball Championship (billed in the host country as 2007 Philippines World Pool Championship) was the 18th annual international nine-ball pool tournament for men sanctioned by the World Pool-Billiard Association (WPA).
Relevant evidence: No