Question: What is the annual revenue of the corporation which owns Rio Secco Golf Club?

full_context: Document 1: Paris Las Vegas: Paris Las Vegas is a hotel and casino located on the Las Vegas Strip in Paradise, Nevada. It is owned and operated by Caesars Entertainment Corporation.
Document 2: Casinos Austria: Casinos Austria, formed in 1967 and based in Austria, is a gaming corporation that owns and operates casinos around the globe. It is one of the largest casino operators in the world. Casinos Austria together with its partners operate in about 40 land-based casinos in 16 countries, 8 shipboard casinos, 15 slot parlors, a range of lottery products in Argentina, and one online gambling platform. Together the CAI (Casinos Austria International) Group’s gaming entertainment operations feature over 750 gaming tables and 7,600 gambling machines.
Document 3: Caesars Golf Macau: Caesars Golf Macau () is a golf course in Cotai, Macau, China owned by Caesars Entertainment Corporation. Formerly known as the Orient Golf (Macau) Club, Harrah's purchased the 175 acre property during the casino boom in 1997. Harrah's later renamed it Caesars Golf.
Document 4: MGM Resorts International: MGM Resorts International is a global hospitality and entertainment company operating destination resorts in Las Vegas, Mississippi, New Jersey and Detroit, including Bellagio, MGM Grand, Mandalay Bay and The Mirage. The company recently opened MGM National Harbor in Maryland and is developing MGM Springfield in Massachusetts. It has a majority interest in MGM China Holdings Limited, which owns the MGM Macau resort and casino and is developing a gaming resort in Cotai. MGM Resorts owns 50 percent of CityCenter in Las Vegas, which features ARIA Resort & Casino. It has a majority controlling interest in MGM Growth Properties, a real estate investment trust.
Document 5: Caesars Entertainment Corporation: Caesars Entertainment Corporation, is an American gaming corporation based in Paradise, Nevada that owns and operates over 50 casinos and hotels, and seven golf courses under several brands. It is the fourth-largest gaming company in the world, with annual revenues of $8.6 billion (2013). Caesars is a public company, majority-owned by a group of private equity firms led by Apollo Global Management and TPG Capital.
Document 6: American Casino &amp; Entertainment Properties: American Casino & Entertainment Properties (ACEP) is a casino holding company headquartered at the Stratosphere Las Vegas. ACEP was a wholly owned subsidiary of American Real Estate Partners before it was sold to Whitehall Street Real Estate Funds, an investment arm of Goldman Sachs, in February 2008. The company owns the following 4 casinos: Aquarius Casino Resort, Arizona Charlie's Decatur, Arizona Charlie's Boulder, and Stratosphere Las Vegas.
Document 7: Harbour Town Golf Links: Harbour Town Golf Links is a public golf course located in Sea Pines Plantation on Hilton Head Island in Beaufort County, South Carolina. Harbour Town Golf Links hosts the RBC Heritage, a PGA Tour event held in mid-April, usually the week after The Masters. Harbour Town Golf Links is ranked high among golf courses in America by "Golf Digest" and "Golf Magazine". The course consists of narrow fairways, overhanging oaks, pines, palmettos, and dark lagoons. Harbour Town Golf Links along with the Ocean Course and Heron Point, make up the Sea Pines Resort.
Document 8: Caesars Entertainment, Inc.: Caesars Entertainment, Inc. was a Las Vegas Valley, Nevada based business that was the largest owner, operator and developer of casinos throughout the world. It was part of the Hilton Hotels chain and was spun off from Hilton as Park Place Entertainment in 1998, and renamed as Caesars Entertainment in 2003. The company was acquired in 2005 by Harrah's Entertainment, which later took on the Caesars Entertainment name.
Document 9: Sheshan Golf Club: Sheshan Golf Club () is the first premier private golf club in Shanghai, China. Founded in 2004, the 18 hole golf course plays to a par of 72 and is designed by Nelson and Haworth Design, and spans over 7,266 yards (6,531 meters). Every year, the club plays host to the WGC-HSBC Champions, and is currently the only club to host the Championship. Sheshan Golf Club was awarded the Best Golf Course in China by "Golf Digest" in 2013 and currently tops of the list of Top Clubs in China by "Golf Magazine".
Document 10: The Vintage Golf Course: The Vintage is a golf resort in the Hunter Valley NSW, a two-hour drive from Sydney. It has an 18-hole Championship golf course designed by world-renowned golfer and course designer Greg Norman.The resort boasts a $5 million clubhouse, as well as a fitness center and 44 Grand Mecure apartments. The resort is owned by American entrepreneur Don Panoz and Australian business manager John Stevens. Don owns other golf resorts in the US, including Chateau Elan in Georgia and the Diablo Grande.The Vintage is home to the NSW Open Golf Championship, the final golf tournament of the Australasian Von Nida Tour. The Vintage has signed on for 5 years with the NSWGA to host the event which proved to be a huge success in 2007 with both fans and Professionals.
Document 11: Rio All Suite Hotel and Casino: Rio Las Vegas is a hotel and casino near the Las Vegas Strip in Paradise, Nevada, United States. It is owned and operated by Caesars Entertainment Corporation. The Rio was the first all suite resort in the Las Vegas area. It was named after the city of Rio de Janeiro and is influenced by Brazilian culture. It is the host casino for the World Series of Poker.
Document 12: Rio Secco Golf Club: Rio Secco Golf Club is a public golf course located in the affluent Seven Hills neighborhood of Henderson, in the Las Vegas Valley. The course has hosted the annual Tiger Woods Jam and other charity and competitive events including the VegasGolfer Pro Showdown. The golf course was recently honored as the 19th best public golf course in the western United States. The course was also ranked in the Top 10 in Nevada by "Golfweek Magazine". It is owned and operated by Caesars Entertainment Corporation.
Document 13: Wendy's 3-Tour Challenge: The Wendy's 3-Tour Challenge was an unofficial golf event held in November at the Rio Secco Golf Club in Henderson, Nevada. The tournament was a unique stroke play event, and, as the name suggests, pitted three teams, with three members per team, from the PGA Tour, the LPGA Tour, and the Champions Tour (known as the Senior PGA Tour prior to 2001) against each other. The 2013 purse is $1 million.
Document 14: Caesars Palace: Caesars Palace is a AAA Four Diamond luxury hotel and casino in Paradise, Nevada, United States. The hotel is situated on the west side of the Las Vegas Strip between Bellagio and The Mirage. It is one of the most prestigious casino hotels in the world and one of Las Vegas's largest and best known landmarks.
Document 15: Squire Creek Country Club: The Squire Creek Country Club is a private, members-only country club located in Choudrant, Louisiana, five miles northeast of Ruston. Squire Creek features an 18-hole championship golf course designed by Tom Fazio. The course has been ranked as number one in the state of Louisiana four times, and was ranked as the No. 5 best new course in the United States by "Golf Digest". Squire Creek is the home golf course for the Louisiana Tech Bulldogs golf team. Squire Creek offers a golf training facility, which features dual bays with retractable doors for indoor or outdoor use, motion analysis, and launch monitor. The Squire Creek tennis facility has 6 lighted courts (4 Hydro Courts and 2 Hard Courts). Squire Creek has full service golf and tennis shops. The Squire Creek fitness facility has 2 exercise rooms and offers massage therapy. The Squire Creek Clubhouse features three dining areas: the more formal Main Dining Hall, the casual 19th Hole, and the Fazio Grill. The Squire Creek Lodge features two floors offering a combined total of seven bedrooms. The Squire Creek Pool overlooks the golf course and is served by the Waterside Cafe. The Squire Creek Development offers six residential estates including the Squire Creek Estates, Timberland Estates, Fairway Estates, The Fairways, Fairway Villas, and The Park Homes. Squire Creek Country Club is the title sponsor of the Louisiana Peach Festival in Ruston. Squire Creek hosted the 2005 Western Athletic Conference Golf Championships.
ground_truth: $8.6 billion