Question: Which American mixed martial arts organization based in Las Vegas, Nevada, that is owned and operated by parent company WME–IMG?
Context: Shooto is a combat sport/mixed martial arts system and mixed martial arts organization that is governed by the "Shooto Association" and the "International Shooto Commission".  Shooto was originally formed in 1985, as an organization and as a particular fighting system derived from shoot wrestling.  Practitioners are referred to as shooters, similarly to practitioners of shoot wrestling.  Shooto rules have evolved such that their events are now true mixed martial arts competitions. UFC Fight Night: Holm vs. Correia (also known as UFC Fight Night 111) was a mixed martial arts event produced by the Ultimate Fighting Championship held on June 17, 2017, at Singapore Indoor Stadium in Kallang, Singapore. 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. Jewels (styled JEWELS in capitals) is a mixed martial arts organization owned by Marverous Japan Co., Ltd. focused on female fighters.  It's the direct successor of Smackgirl.  It has a working relationship with fellow mixed martial arts promotion Deep presided by Shigeru Saeki (also the Jewels supervisor). The Khalid Bin Hamad Al Khalifa Mixed Martial Arts (KHK MMA) is a martial arts organization based in Bahrain.  It was founded under the patronage of His Highness Khalid bin Hamad Al Khalifa for its current CEO and professional MMA fighter Mohammed "The Hawk" Shahid in February 2015.  Fighters competing under KHK MMA banner include: former UFC lightweight champion Frankie Edgar, UFC lightweight contender Khabib Nurmagomedov, UFC lightweight fighter Islam Makhachev, Bellator fighter James Gallagher, 2-time IMMAF champion Jose "Shorty" Torres, former UFC fighter and current Titan FC contender Alex Soto, and current Desert Force fighter Hamza Kooheji.  KHK MMA activities include: coaching pro fighters, developing amateur MMA, promoting martial arts events, fitness gyms, and a sports gear brand. Enson Inoue (Japanese: エンセン井上 , born April 15, 1967) is a Japanese-American retired mixed martial artist.  He has a professional MMA record of 12-8.  He is a former Shooto Heavyweight Champion.  He had also previously fought in Pride Fighting Championships, one of the biggest mixed martial arts organization at the time.  Inoue was featured in the documentary film "Rites of Passage: The Rebirth of Combat Sports".  He also appeared in the martial arts movie "Redbelt". Xtreme Couture Mixed Martial Arts is an American mixed martial arts training organization headed by former UFC Champion and former co-founder of Team Quest, Randy Couture.  Xtreme Couture was founded with the flagship gym in Las Vegas.  Since then, the franchise has spread to other cities in the United States and Canada.  Xtreme Couture Las Vegas is one of the largest gyms (over 24000 sqft ), most recognized brands and MMA gyms in the world where many past and current top MMA fighters train. 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. Respect Fighting Championship (RESPECT.FC) is a mixed martial arts organization in Germany.  It has won the GNP Award for the best German promotion in 2009, 2010 and 2011 Especially noteworthy in this context is that RESPECT.FC has beaten the Ultimate Fighting Championship (the biggest mixed martial arts organization in the world), who was nominated with their first German based event UFC 99.  The events are broadcast by Fightcast.tv, the only HD Fightsport portal in Europe. 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.
Answer: Ultimate Fighting Championship