Question: Tor Troéng is a retired  mixed martial artist previously fighting as a Middleweight for an organization based in what state? 

full_context: Document 1: Dana White: Dana Frederick White Jr. (born July 28, 1969) is an American businessman and the current President of the Ultimate Fighting Championship (UFC), which is the largest mixed martial arts (MMA) organization in the world. Under White's leadership, the UFC has grown into a globally popular multibillion-dollar enterprise.
Document 2: List of Irish UFC fighters: The Ultimate Fighting Championship (UFC) is a mixed martial arts (MMA) promotion, founded in 1993 by Art Davie and Rorion Gracie. The organization was purchased from its parent company SEG in 2001 by Zuffa LLC, a promotional company owned by Las Vegas casino magnates, Lorenzo and Frank Fertitta and managed by Dana White (current president of operations). Since its inception, and through its current Zuffa management, the UFC has remained one of the more dominant MMA promotions in the world, playing host to a wide field of MMA fighters.
Document 3: Zuffa: Zuffa, LLC ( ) is an American sports promotion company specializing in mixed martial arts. It was founded in January 2001 in Las Vegas, Nevada, by Station Casinos executives Frank Fertitta III and Lorenzo Fertitta to be the parent entity of the Ultimate Fighting Championship (UFC) after they purchased it from the Semaphore Entertainment Group. The word "Zuffa" is an Italian word (] ), meaning "fight". On July 11, 2016, Zuffa announced that it would be purchased by WME-IMG for the price of $4 billion.
Document 4: Antônio Rodrigo Nogueira: Antônio Rodrigo Nogueira (] , born June 2, 1976), better known as Minotauro, is a semi-retired Brazilian mixed martial artist known for his technical mastery of Brazilian jiu-jitsu. He won most of his fights via submissions. He competed in the heavyweight division of the Ultimate Fighting Championship (UFC), where he is a former Interim UFC Heavyweight Champion. He is the twin brother of UFC fighter Antônio Rogério Nogueira. Nogueria rose to prominence in the Japanese promotion Pride Fighting Championships, where he was the first Pride Heavyweight Champion from November 2001 to March 2003, as well as a 2004 PRIDE FC Heavyweight Grand Prix Finalist. He is one of only three men to have held championship titles in both Pride Fighting Championships and the Ultimate Fighting Championship (the others being Mauricio Rua and Mark Coleman).
Document 5: Mike Swick: Mike Swick (born June 19, 1979) is a retired American mixed martial artist who spent most of his career competing for the Ultimate Fighting Championship's middleweight division. Swick, who trains at American Kickboxing Academy alongside fellow welterweight standout Jon Fitch, entered the UFC after appearing on the inaugural season of The Ultimate Fighter.
Document 6: Rory Singer: Rory Michael Singer (born May 28, 1976) is an American mixed martial artist. Although Rory had begun making a name for himself as a 185-pound prospect; his big break came after meeting the producers of TUF. They were filming Forrest Griffin at The HardCore Gym for his fight against Stephan Bonnar in the finals of season 1. Forrest went on to win Season 1 and Rory was approached soon after to appear on Season 3.
Document 7: Desert Force Championship: Desert Force Championship (DFC) is the largest mixed martial arts promotion company in the Arab World, which hosts most of the top-ranked Arab MMA fighters in the region. The championship has held ten televised events and presided over approximately 100 matches. DFC currently airs on MBC Action on a bi-monthly basis. In 2010 Desert Force launched the “Elimination Series”, a single-elimination tournament for Arab MMA fighters competing to become the first regional MMA title belt holders in 7 respective weight classes. Fighters from across the Middle East have competed in 7 weight classes, namely Bantamweights, Featherweights, Lightweights, Welterweights, Middleweights, Light-Heavyweights and Heavyweights; each class enforcing the Unified Rules of Mixed Martial Arts. Participating countries include: KSA, United Arab Emirates, Qatar, Kuwait, Jordan, Iraq, Bahrain, Palestine, Syria, Lebanon, Egypt, Morocco, Tunisia. In recent years DFC fights have been officially refereed by MMA referee Yves Lavigne.
Document 8: Warrior Xtreme Cagefighting: The Warrior Xtreme Cagefighting (WXC) is the largest mixed martial arts (MMA) promotion company in Michigan that hosts most of the top-ranked fighters in the state and is looking in 2017 to produce events Nationwide. Based in the United States, the WXC has eight weight divisions and enforces the Unified Rules of Mixed Martial Arts. Norbert Pasztor serves as the president of the WXC.
Document 9: Travis Fulton: Travis Fulton (born May 29, 1977) is an American mixed martial artist and a professional boxer in the heavyweight division of both sports. Known as a longtime veteran in mixed martial arts, he has competed in over 300 sanctioned bouts and while he is perhaps best known for competing in smaller US-based promotions, he has also competed in the UFC, the WEC, Pancrase, the Chicago Red Bears of the IFL, King of the Cage and RINGS. He also holds the record for the most sanctioned mixed martial arts bouts, with 316.
Document 10: Ultimate Fighting Championship: The Ultimate Fighting Championship (UFC) is an American mixed martial arts organization based in Las Vegas, Nevada, that is owned and operated by parent company WME–IMG. It is the largest MMA promotion in the world and features the top-ranked fighters of the sport. Based in the United States, the UFC produces events worldwide that showcase eleven weight divisions and abide by the Unified Rules of Mixed Martial Arts. As of 2017, the UFC has held over 400 events. Dana White serves as the president of the UFC. He has held that position since 2001; while under the leadership of Dana White the UFC has grown into a globally popular multibillion-dollar enterprise.
Document 11: List of current UFC fighters: The Ultimate Fighting Championship (UFC) is a mixed martial arts (MMA) promotion, founded in 1993 by Art Davie and Rorion Gracie. The organization was purchased from its parent company SEG in 2001 by Zuffa LLC, a promotional company owned by Las Vegas casino magnates, Lorenzo Fertitta and Frank Fertitta and managed by Dana White (current president of operations). In 2016, it was sold to Christoffer Ahl (WME-IMG) for $4 billion. Since its inception, and through its Zuffa management, the UFC has remained one of the more dominant MMA promotions in the world, playing host to a wide field of MMA fighters.
Document 12: Jack Hermansson: Jack Hermansson (born June 10, 1988) is a Swedish mixed martial artist currently living in and fighting out of Norway. He competes in the Middleweight division of the Ultimate Fighting Championship. He is the former champion in Cage Warriors and Warrior Fight Series. In 2012-2013 he fought in the United States in the Bellator MMA promotion. On the European circuit he held notable victories over UFC veteran Karlos Vemola and Bellator veteran Norman Paraisy among others.
Document 13: Rich Franklin: Richard Jay "Rich" Franklin II (born October 5, 1974) is an American retired mixed martial artist who competed in Ultimate Fighting Championship. He is a former UFC Middleweight Champion. As of June 2014, Franklin was announced as a Vice President of Asian Mixed Martial Arts company ONE Championship.
Document 14: Tor Troéng: Tor Troéng (born January 25, 1983) is a retired Swedish mixed martial artist previously fighting as a Middleweight for the Ultimate Fighting Championship. He was a member FX's .
Document 15: World Extreme Cagefighting: World Extreme Cagefighting (WEC) was an American mixed martial arts (MMA) promotion founded in 2001. It was purchased by Zuffa, LLC, the parent company of the Ultimate Fighting Championship (UFC), in 2006. In its final incarnation, it was made up of 3 weight classes: 135 lb , 145 lb and 155 lb . To accommodate the smaller fighters, WEC's cage was 25 feet in diameter—5 feet smaller than the standard UFC cage.
ground_truth: Nevada