Question: When was the MGM built in the large city in the southeast of the same state as Lake Humboldt?

full_context: Document 1: Las Vegas: Las Vegas (/ lɑːs ˈveɪɡəs /, Spanish for ``The Meadows ''), officially the City of Las Vegas and often known simply as Vegas, is the 28th-most populated city in the United States, the most populated city in the state of Nevada, and the county seat of Clark County. The city anchors the Las Vegas Valley metropolitan area and is the largest city within the greater Mojave Desert. Las Vegas is an internationally renowned major resort city, known primarily for its gambling, shopping, fine dining, entertainment, and nightlife. The Las Vegas Valley as a whole serves as the leading financial, commercial, and cultural center for Nevada.
Document 2: Castle Lake (Nevada): Castle Lake is a glacial tarn in the Ruby Mountains of Elko County, Nevada, United States. It is within the Ruby Mountains Wilderness, which is administered by the Ruby Mountains Ranger District of the Humboldt-Toiyabe National Forest. The lake is located on a shelf near the head of Kleckner Canyon, at approximately , and at an elevation of 9,793 feet (2985 m). It has an area of approximately , and a depth of up to 15 feet (4.6 m). It is one of the sources of Kleckner Creek, which after exiting the mountains merges with other streams to form the South Fork of the Humboldt River.
Document 3: Southern California: Southern California's economy is diverse and one of the largest in the United States. It is dominated and heavily dependent upon abundance of petroleum, as opposed to other regions where automobiles not nearly as dominant, the vast majority of transport runs on this fuel. Southern California is famous for tourism and Hollywood (film, television, and music). Other industries include software, automotive, ports, finance, tourism, biomedical, and regional logistics. The region was a leader in the housing bubble 2001–2007, and has been heavily impacted by the housing crash.
Document 4: Atlantic City, New Jersey: Atlantic City is considered as the "Gambling Capital of the East Coast," and currently has eight large casinos and several smaller ones. In 2011, New Jersey's casinos employed approximately 33,000 employees, had 28.5 million visitors, made $3.3 billion in gaming revenue, and paid $278 million in taxes. They are regulated by the New Jersey Casino Control Commission and the New Jersey Division of Gaming Enforcement.
Document 5: Alatsee: Alatsee is a meromictic lake in Ostallgäu, Bavaria, Germany. At an elevation of 868.0 m, its surface area is 12.00 ha. This lake supposedly holds "Hitler's gold". Many divers have died or disappeared mysteriously in this lake due to the toxicity of the organisms living in this lake. These organisms create the "blood cloud " that occurs quite abundantly throughout the year.
Document 6: MGM Grand Las Vegas: The MGM Grand Las Vegas (formerly Marina and MGM - Marina) is a hotel and casino located on the Las Vegas Strip in Paradise, Nevada. The MGM Grand is the largest single hotel in the United States with 6,852 rooms. It is also the third - largest hotel complex in the world by number of rooms and second - largest hotel resort complex in the United States behind the combined The Venetian and The Palazzo. When it opened in 1993, the MGM Grand was the largest hotel complex in the world.
Document 7: Excalibur Hotel and Casino: Circus Circus Enterprises constructed Excalibur which opened on June 19, 1990, as the largest hotel in the world, with over 4,000 rooms, covering over 70 acres. As of 2016 it is the seventh - largest hotel (by total number of rooms) in Las Vegas, and the eleventh - largest hotel worldwide. MGM Resorts International purchased the property in 2005.
Document 8: Humboldt Cave: Humboldt Cave is an archeological site in Churchill County, Nevada, USA that is one of the earliest documented human habitations in North America. It was inhabited by people of the eponymous Humboldt Culture and the Lovelock Culture, and its documented habitation extends to 9000 BC.
Document 9: Borgata: Borgata Hotel Casino & Spa is a hotel, casino, and spa in Atlantic City, New Jersey, United States. It is owned and operated by MGM Resorts International. The casino hotel features 2,002 rooms and is the largest hotel in New Jersey. Borgata opened in July 2003 and is the top - grossing casino in Atlantic City.
Document 10: Humboldt Range: The Humboldt Range is a largely north-south running range of mountains in northwest Nevada, USA, that extend from the town of Imlay in the north to the junction with the West Humboldt Range in the south. It is bordered continuously by Interstate 80 and the Humboldt River, largely expanded in the form of the Rye Patch Reservoir in this area, on the west side and by a long and fairly broad Buena Vista Valley to the east, in a typical basin-and-range pattern. The Humboldts are ostensibly visible to travelers along Interstate 80, especially with respect to the highest point of the range, Star Peak, which with a quite nicely defined tip reaches an elevation of 9,836 feet (2,998 m), located in the center of the north range section. The midpoint of the range is in the area of Fourth of July Flat. The Humboldt Range is also noteworthy for having a famous historical town at its base on the eastern side called Unionville, which, for a brief period, was home to Samuel Clemens. Another historical site, now a ghost town, nearby is called Star City. Unlike some ranges in the vicinity, the substantial height of the Humboldts allows for a number of continuously flowing watersheds, and hiking the terrain is a somewhat noted activity.
Document 11: Southern Nevada: A major part of Southern Nevada's economy is based on tourism, including gambling. The primary drivers of the Las Vegas economy have been the confluence of tourism, gaming, and conventions which in turn feed the retail and dining industries. The city serves as world headquarters for the world's two largest Fortune 500 gaming companies, Harrah's Entertainment and MGM Mirage.
Document 12: Excalibur Hotel and Casino: Excalibur Hotel and Casino is a hotel and casino located on the Las Vegas Strip in Paradise, Nevada, in the United States. It is owned and operated by MGM Resorts International.
Document 13: Namibia: There are many lodges and reserves to accommodate eco-tourists. Sport hunting is also a large, and growing component of the Namibian economy, accounting for 14% of total tourism in the year 2000, or $19.6 million US dollars, with Namibia boasting numerous species sought after by international sport hunters. In addition, extreme sports such as sandboarding, skydiving and 4x4ing have become popular, and many cities have companies that provide tours.[citation needed] The most visited places include the capital city of Windhoek, Caprivi Strip, Fish River Canyon, Sossusvlei, the Skeleton Coast Park, Sesriem, Etosha Pan and the coastal towns of Swakopmund, Walvis Bay and Lüderitz.
Document 14: Park MGM: The Monte Carlo Resort and Casino is a megaresort hotel and casino on the Las Vegas Strip in Paradise, Nevada, United States. The hotel, with a height of 360 ft (110 m), has 32 floors, featuring a 102,000 - square - foot (9,500 m) casino floor with 1,400 slot machines, 60 table games, and 15 poker tables. It is owned and operated by MGM Resorts International. The hotel offers 2,992 guest rooms, including 259 luxury suites. It is being converted from late 2016 to 2018 into the Park MGM, with the upper floors converted into a boutique hotel, NoMad Las Vegas.
Document 15: Lake Humboldt: Lake Humboldt or Humboldt Lake is an endorheic basin lake in northern Churchill County and southern Pershing County in the state of Nevada in the United States. The lake has the name of Alexander von Humboldt, a German natural scientist.
ground_truth: in 1993
sub_queries: What state is Lake Humboldt located? Answer: Nevada
what is the name of the large city in southeastern Nevada Answer: Las Vegas
when was the mgm in Las Vegas built Answer: in 1993