Question: What American sports promotation company was started by the current CEO of Station Casinos? 
Context: John Edward "Jed" York (born c. 1980) is an American sports executive who is the current CEO of the San Francisco 49ers NFL franchise.  York is the son of Denise DeBartolo York and John York and nephew of former San Francisco 49ers owner Edward J. DeBartolo Jr. Roger Montgomery (born 1970) is an American sports agent and former professional basketball player.  He is the current CEO of Montgomery Sports Group.  As a sports agent, Montgomery has represented basketball players in the National Basketball Association (NBA) and international leagues. Coast Casinos Inc. is a wholly owned subsidiary of Boyd Gaming Corporation based in Paradise, Nevada.  Coast Casinos is the number 2 locals casino brand in the Las Vegas market behind Station Casinos. Sunset Station is a hotel and casino.  It is owned and operated by Station Casinos on 98 acre located in Henderson, Nevada.  Sunset Station is an off-strip locals casino located on Sunset Road near Interstate 515, across from the Galleria at Sunset shopping center. Red Rock Resort is a hotel and casino.  It is owned and operated by Station Casinos on 70 acre located in Downtown Summerlin in the village of Summerlin Centre in Summerlin, Nevada.  Located on Charleston Boulevard, at the interchange of Clark County 215 and some distance from the Las Vegas Strip, the resort is known as a locals casino.  It is the flagship property of Station Casinos and the company's corporate headquarters is located on the property. Frank Joseph Fertitta III (born February 24, 1962) is an American entrepreneur.  He is the current CEO of Station Casinos.  He is also an owner of Zuffa LLC, which is the entity that formerly ran the Ultimate Fighting Championship (UFC). Station Casinos is a gaming company based in the Las Vegas suburb of Summerlin, Nevada, founded by Frank Fertitta, Jr. Station Casinos, along with Affinity Gaming, Boyd Gaming, and American Casino & Entertainment Properties, dominate the locals casino market in Las Vegas.  The company purchased several sites that were gaming-entitled, meaning that major casinos can be built at that location without additional approvals.  There are only a limited number of such sites available in the Las Vegas area.  Station has also branched out into managing casinos that they do not own.  Red Rock Resorts, Inc. () is a publicly traded holding company that owns a portion of Station Casinos. 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. Frank Joseph Fertitta Jr. (October 30, 1938 – August 21, 2009) was an American entrepreneur.  He was the founder of Station Casinos, a gaming company based in Summerlin, Nevada.  The company started out as a locals casino operator on July 1, 1976, opening the Bingo Palace, which was later renamed Palace Station.  The company went public with an IPO in 1993 upon Fertitta's retirement. Palace Station is a hotel and casino located in Las Vegas, Nevada.  It is owned and operated by Station Casinos and has 1,053 rooms.  Palace Station has a large Asian customer base because of its location near Chinatown.
Answer: Zuffa