Question: The Professional Poker Tour (PPT) was a series of televised poker tournaments, spinning off from the World Poker Tour (WPT) television series, it billed itself as the first professional poker league, and was limited to players who have established themselves on the World Series of Poker (WSOP) is a series of poker tournaments held annually in Las Vegas and, since which year?
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