How many times did the man who popularized the term "Post-oak bluff" win the World Series of Poker?
Post-oak bluff:  The term was popularized by Doyle Brunson in his 1979 book "Super System". Doyle Brunson:  He is a two-time World Series of Poker (WSOP) Main Event champion, a Poker Hall of Fame inductee, and the author of several books on poker.
two-time