Question: Which hotel on the Las Vegas Strip in Paradise, Nevada, US did Beldon Katleman invest in that closed on July 16, 2007?

full_context: Document 1: Desert Inn: The Desert Inn, also known as the D.I., was a casino hotel on the Las Vegas Strip in Paradise, Nevada, which operated from April 24, 1950, to August 28, 2000. Designed by architect Hugh Taylor and interior design by Jac Lessman, it was the fifth resort to open on the Strip. It was situated between Desert Inn Road and Sands Avenue.
Document 2: New Frontier Hotel and Casino: The New Frontier (formerly Last Frontier and The Frontier) was a hotel and casino on the Las Vegas Strip in Paradise, Nevada, US. It was the second resort that opened on the Las Vegas Strip and operated continuously from October 30, 1942 until it closed on July 16, 2007. The building was demolished on November 13, 2007. The land is now owned by Crown Resorts who abandoned their project to build the Alon Las Vegas in May 2017 and put it up for sale.
Document 3: Allard Roen: Allard Roen (May 8, 1921–August 28, 2008) was an American businessman in the hospitality industry. He was the Managing Director of the Desert Inn and the Stardust Resort and Casino in Paradise, Nevada. He was a co-founder of the Sunrise Hospital, The Boulevard Mall and the Las Vegas Country Club. Later, he was a co-founder and the on-site Manager of the La Costa Resort and Spa in Carlsbad, California.
Document 4: William Pennington (businessman): William Norman Pennington (March 24, 1923 – May 15, 2011) was an American casino industry executive. A pioneer in Nevada’s casino industry, he played a major role in establishing the Circus Circus company, including Excalibur Hotel Casino, Luxor and Mandalay Bay. He owned several properties in Las Vegas, Reno, Hawaii and elsewhere. For many years he was listed on the Forbes 400.
Document 5: Sky Las Vegas: Sky Las Vegas is a 45-story luxury high-rise condominium tower with 409 units, situated on a 3-acre site on the Las Vegas Strip in Winchester, Nevada. The tower's land, as well as nearby property, had been the site of the El Rancho Vegas hotel and casino from 1941 to 1960, when it burned down. The property remained vacant for decades. A two-story retail project had been planned for a portion of the site in 2001, although it ultimately did not materialize. Plans for Sky Las Vegas were announced in July 2004, with construction beginning the following year and its opening occurring in May 2007.
Document 6: Veldon Simpson: Veldon Simpson is an architect. He designed the Luxor Hotel in Las Vegas, Nevada, as well as the MGM Grand and Excalibur Hotel and Casino. He is the president of the Veldon Simpson-Architect, Inc., which formed as a corporation in 1976.
Document 7: Dunes (hotel and casino): The Dunes Hotel was a hotel and casino on the Las Vegas Strip in Paradise, Nevada, that operated from May 23, 1955 to January 26, 1993. Designed by architect Maxwell Starkman, it was the tenth resort to open on the Strip. Bellagio now stands on the former grounds. The Dunes golf course is now occupied by parts of Monte Carlo, New York-New York, CityCenter, and Cosmopolitan, and T-Mobile Arena.
Document 8: Clifford S. Perlman: Clifford "Cliff" S. Perlman (March 30, 1926 – September 4, 2016) was an American entrepreneur and president and CEO of the Caesars Palace casino in Las Vegas for over a decade. During his ownership he built thousands of additional rooms to what is the current Caesars Palace. Most notably, Perlman, first introduced live sports and boxing to Las Vegas. With his brother Stuart, they founded the international fast food franchise Lum's and bought, sold, and operated an airline.
Document 9: Castaways Hotel and Casino: The Castaways Hotel and Casino, formerly the Showboat Hotel and Casino was a hotel and casino located at the north end of the Boulder Strip in Las Vegas, Nevada. The hotel consisted of a 19 story tower containing 445 rooms, a casino and an adjacent RV park. The Castaways hotel was demolished on January 11, 2006 to make way for an unknown project.
Document 10: William G. Bennett (gaming executive): William G. Bennett (November 16, 1924-December 22, 2002) was an American gaming executive and real estate developer. Noted for pioneering Las Vegas as a destination for middle-class tourists and their families, he is best remembered for his establishment of gaming giant Circus Circus Enterprises in 1974. He served as chairman of Circus Circus between 1974 and 1994. Under his leadership Circus Circus would go on to develop numerous additional properties throughout Nevada, including the Excalibur and Luxor casinos in Las Vegas. Following his departure from Circus Circus, Bennett purchased the Sahara Hotel and Casino in Las Vegas in 1995 and operated it until his death in 2002.
Document 11: Beldon Katleman: Beldon Katleman (1914–1988) was an American businessman. He was the owner of El Rancho Vegas, a casino in Las Vegas, Nevada, where he invented the buffet for guests. He was an investor in two other casinos, the Frontier Hotel and the Silver Slipper.
Document 12: Riviera (hotel and casino): Riviera (colloquially, "the Riv") was a hotel and casino on the Las Vegas Strip in Winchester, Nevada, which operated from April 1955 to May 2015. It was last owned by the Las Vegas Convention and Visitors Authority, which decided to demolish it to make way for the Las Vegas Global Business District.
Document 13: Kirk Kerkorian: Kerkor "Kirk" Kerkorian (June 6, 1917 – June 15, 2015) was an Armenian-American businessman, investor, and philanthropist. He was the president and CEO of Tracinda Corporation, his private holding company based in Beverly Hills, California. Kerkorian is known for having been one of the important figures in the shaping of Las Vegas and, with architect Martin Stern, Jr. described as the "father of the mega-resort". He built the world's largest hotel in Las Vegas three times: the International Hotel (opened in 1969), the MGM Grand Hotel (1973) and the MGM Grand (1993). He purchased the Metro-Goldwyn-Mayer movie studio in 1969.
Document 14: The Atlantic Club Casino Hotel: The Atlantic Club Casino Hotel, formerly known as Golden Nugget, Bally's Grand, Atlantic City Hilton and ACH, is a closed casino and hotel located at the southern end of the boardwalk in Atlantic City, New Jersey, owned and operated by Colony Capital. It was the city's first and only "locals casino". The Atlantic Club permanently closed on January 13, 2014, at 12:01 AM. largely as a result of dwindling casino visitors to Atlantic City due to increased competition in neighboring states. A third of Atlantic City's boardwalk casinos closed the same year, the others being Revel, Trump Plaza, and Showboat. Redevelopment proposals include a water park.
Document 15: Alon Las Vegas: The Alon Las Vegas was an upcoming luxury hotel and casino located on the Las Vegas Strip in Paradise, Nevada. It was located on the site of the former New Frontier Hotel and Casino, near the Wynn Las Vegas and the Fashion Show Mall.
ground_truth: Frontier Hotel