Question: The Super High Roller Bowl takes place at a resort and casino that opened when?

Context paragraphs:
High Roller (Valleyfair): High Roller is a wooden roller coaster located at Valleyfair in Shakopee, Minnesota.  High Roller is Valleyfair's oldest roller coaster, being built in 1976 when the park opened.  It is an out-and-back type coaster, and is 70 feet (21 m) at the highest peak with a top speed of 50 mph (80 km/h).

Archie Karas: Anargyros Nicholas Karabourniotis (Ανάργυρος Καραβουρνιώτης, born November 1, 1950), commonly known as Archie Karas, is a Greek American gambler, high roller, poker player, and pool shark famous for the largest and longest documented winning streak in casino gambling history, simply known as The Run, when he drove to Las Vegas with $50 in December 1992 and then turned a $10,000 loan into more than $40 million by the beginning of 1995, only to lose it all later that year.  Karas himself claims to have gambled with more money in casinos than anyone else in history and has often been compared to Nick the Greek, another high-stakes gambler.

Aria Resort and Casino: Aria Resort and Casino is a luxury resort and casino, part of the CityCenter complex on the Las Vegas Strip in Paradise, Nevada.  Aria consists of two curved glass and steel highrise towers adjoined at the center.  It opened on December 16, 2009 as a joint venture between MGM Resorts International and Infinity World Development.  At 4000000 sqft and 600 ft in height, it is the largest and tallest structure at CityCenter.

Turkish Women's Basketball President's Cup: The Turkish Women's Basketball President's Cup (Turkish: "Kadınlar Cumhurbaşkanlığı Kupası"), or Turkish Women's Basketball Super Cup, is the professional basketball women's club super cup competition that takes place each year in Turkey.  It usually takes place between the winners of the Turkish Women's Super League and the winners of the Turkish Cup.  If the same team wins both the Turkish Super League and the Turkish Cup in the same season, then the competition takes place between the two league finalists from the Turkish Super League.

1994 Mosconi Cup: The 1994 Miller Pilsner Mosconi Cup, the inaugural edition of the annual nine-ball pool competition between teams representing Europe and the United States, took place 15–18 December 1994 at the Roller Bowl in Romford, London, England.

Turkish Basketball President's Cup: The Turkish Basketball President's Cup (Turkish: Cumhurbaşkanlığı Kupası), or Turkish Basketball Super Cup, is the professional basketball men's club super cup competition that takes place each year in Turkey.  The Turkish President's Cup competition began in the year 1985.  It usually takes place between the winners of the Turkish Super League and the winners of the Turkish Cup.  If the same team wins both the Turkish Super League and the Turkish Cup in the same season, then the competition takes place between the two league finalists from the Turkish Super League.

William Lee Bergstrom: William Lee Bergstrom (1951 – February 4, 1985 born in Austin, Texas) commonly known as The Suitcase Man or Phantom Gambler, was a gambler and high roller known for placing the largest bet in casino gambling history at the time amounting to $777,000 ($ present day amount) at the Horseshoe Casino, which he won.  Bergstrom returned to the Horseshoe three years later in 1984 and placed several additional bets, including a $1 million bet ($ present day value) which he lost.  This bet remains as one of the largest bets ever placed against a casino.

2015 World Series of Poker Europe: The 2015 World Series of Poker Europe (WSOPE) was held from October 8-24 at the Spielbank Casino in Berlin, Germany.  There were 10 bracelet events, including a €550 Oktoberfest No Limit Hold'em event and a €550 Pot Limit Omaha event, the lowest buy-in for an Omaha tournament in WSOP history.  The series of events culminated in the €10,450 Main Event beginning on October 18, and the €25,600 High Roller event on October 21.  This was the first WSOP Europe since 2013, and the first held in Germany.

High Roller Casino: High Roller Casino is a 2001 Stern pinball machine.  It was designed by Keith P. Johnson.  The game was released in January 2001 and advertised with the slogan ""Be a winner with... High Roller Casino"".

Super High Roller Bowl: The Super High Roller Bowl is an annual high stakes No Limit Hold'em poker tournament that takes place at the Aria Resort and Casino in Las Vegas, Nevada.  The first edition of the event was held in July 2015 and featured a $500,000 buy-in, drawing a field of 43 players.  Brian Rast won the inaugural tournament, earning $7,525,000.  For its second year the tournament was moved to May and the buy-in was lowered to $300,000.  Entries increased to 49 and Rainer Kempe captured the first prize of $5,000,000.  The website Poker Central sponsors the event and features a live stream throughout the duration of the tournament.

Supporting paragraphs: Super High Roller Bowl Aria Resort and Casino
Answer: December 16, 2009