Question: Peter Vilandos is a Greek-American professional poker player, he has won three bracelets at which series of poker tournaments held annually in Las Vegas and, since 2005, sponsored by Caesars Entertainment Corporation?
Sentence (from "World Series of Poker"): The World Series of Poker (WSOP) is a series of poker tournaments held annually in Las Vegas and, since 2005, sponsored by Caesars Entertainment Corporation (known as Harrah's Entertainment until 2010).
Relevant evidence: Yes