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"): It dates its origins to 1970, when Benny Binion invited seven of the best-known poker players to the Horseshoe Casino for a single tournament, with a set start and stop time, and a winner determined by a secret ballot of the seven players.
Relevant evidence: No