Tiffany Crystal Houghton (born December 6, 1993) is an American singer-songwriter from Dallas who is based in Los Angeles.
 As a pop artist, she has released numerous singles including "High", "The Best" and "Love Like That" , the latest received airplay on Sirius XM The Hits 1.
 In 2014, she is touring with the musical act "MKTO".
 As a child and young teenager, Houghton lived in New York City, had some work in television and commercials, and was the alternate child actor and singer for the musical "Annie".
 She was inspired by singer Kristin Chenoweth who visited her school.
 At seventeen, she moved to the country music city, Nashville, to gain experience, make connections, and work on her act.
The Epic Poker League was a series of poker tournaments which took place in 2011, organised by Federated Sports + Gaming.
 Former World Series of Poker commissioner Jeffrey Pollack served as Executive Chairman, professional poker player Annie Duke was Commissioner, and Matt Savage was Tournament Director.
 The three events held took place at the Palms Casino Resort in Las Vegas, Nevada.
 Season One received television coverage on CBS and Velocity Network.
The Dukes in Lancaster, Lancashire, England, formerly known as the Duke's Playhouse, is a professional producing theatre, currently producing six theatre productions a year.
 It also hosts outside companies and arts festivals.
 It has three auditoria, the largest (named "The Rake") seating approximately 313, a studio theatre "The Round" seating approximately 240 and a youth specific space, "DT3".
 The largest auditorium is also used for screening films, and the theatre has a reputation for independent cinema.
 Since 1986 the Duke's has also produced annual open-air, walkabout theatre productions at Williamson Park in the city every summer, thought to be the largest outdoor promenade theatre event in the UK.
Anne LaBarr "Annie" Duke (née Lederer; September 13, 1965) is an American professional poker player and author.
 She holds a World Series of Poker (WSOP) gold bracelet from 2004 and used to be the leading money winner among women in WSOP history (a title now held by Vanessa Selbst).
 Duke won the 2004 World Series of Poker Tournament of Champions and the National Heads-Up Poker Championship in 2010.
 She has written a number of instructional books for poker players, including "Decide to Play Great Poker" and "The Middle Zone", and she published her autobiography, "How I Raised, Folded, Bluffed, Flirted, Cursed, and Won Millions at the World Series of Poker", in 2005.
Problem Child 3 is a 1995 American made-for-television film and the third and final installment of the "Problem Child" series.
 However, it sets off completely different from the second film.
 In it, Junior is a preteen and is in love with a girl named Tiffany.
 However, she does not notice him.
 Things take a mischievous turn when he finds out there are three other boys interested in her as well.
 In this installment, he is portrayed by Justin Chapman and Ben is portrayed by William Katt.
 Neither Annie (Amy Yasbeck) nor Trixie (Ivyann Schwan) appear in it, nor are they mentioned.
 Gilbert Gottfried and Jack Warden are the only cast members to appear in all three films.
 It neither explains how Big Ben is still rich, since his apparent new wife, LaWanda, is never mentioned, nor how Mr. Peabody went from being a school principal to a dentist.
 It aired on May 13, 1995 on NBC.
Williamson is a common English language patronymic surname meaning "son of William".
 (William is an old Germanic name.)
 Williamson is uncommon as a first name, but quite common as a surname in English speaking countries.
Howard Henry Lederer (born October 30, 1963) is an American professional poker player.
 He has won two World Series of Poker bracelets and holds two World Poker Tour titles.
 Lederer has also contributed to several books on poker strategy and has provided commentary for poker programming.
 He is known by poker fans and players as "The Professor" and is the older brother of professional poker player Annie Duke.
The Celebrity Apprentice 2 (also known as The Apprentice 8) is the eighth installment of the reality game show, "Celebrity Apprentice".
 It premiered on March 1, 2009.
 "The Celebrity Apprentice 2" aired for two hours on Sundays at 9:00 Eastern time.
 Joan Rivers was the winner, while Annie Duke was the runner-up.
 Brande Roderick, Dennis Rodman, and Claudia Jordan all returned for All-Star Celebrity Apprentice.
 Roderick, Rodman, and Jordan placed 7th, 9th, and 11th, respectively, with Rodman and Jordan unable to raise anything and Roderick was able to raise $20,000.
The Diamond A Ranch is a ranch in the upper Wind River valley of Fremont County, Wyoming.
 The site was first settled by John Robert McDonald, a Scottish immigrant who had a 160 acre homestead on the site in 1891.
 McDonald sold the property to John Williamson in 1907.
 Jack Williamson and his brother David were Scots as well, working as stonemasons.
 The Williamsons had worked in New York City, at Princeton University, at the Mormon Temple in Salt Lake City and on bridge work for the Union Pacific Railroad.
 In 1888 they came from Salt Lake City to Lander, where they worked on a number of projects, as well as in Rawlins and at Fort Washakie.
 They joined their sister Jean Williamson Sinclair at the Upper Circle Ranch near Dubois in the early 1890s.
 David Williamson married Annie McKenzie, a friend of his sister's who had come with her from Scotland.
 When Jack died of tick fever in 1916, David moved to the ranch with his family.
 After David's death in 1934, his wife Annie operated the ranch until she sold it in 1969.
 The ranch is notable as one of several ranches established by Scottish immigrants.
Tiffany Williamson is an American corporate lawyer who qualified for the 2005 World Series of Poker (WSOP) in the Gutshot Poker Club.
 She went on to finish in 15th place, earning $400,000, after having spent just one year learning the game.
 The finish was the highest by a female in the WSOP Main Event since Annie Duke's 10th-place finish in 2000.

Question: what does Tiffany Williamson and Annie Duke have in common?
Answer: Poker