Question:  Harrah's Lake Tahoe is a hotel and casino owned and operated by the fourth-largest gaming company in the world, with annual revenues of what in 2013?

full_context: Document 1: Harrah's Casino Tunica: Harrah's Casino Tunica, formerly Grand Casino Tunica, was a casino and resort located in Tunica Resorts, Mississippi. It was owned and operated by Caesars Entertainment. The casino offered a 140000 sqft casino and three hotels with a total of 1,356 rooms. There was also an RV park, the Bellissimo Spa & Salon, a convention center, and a 2,500 seat entertainment venue called the Harrah's Event Center.
Document 2: 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 3: 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 4: Harrah's Lake Tahoe: Harrah's Lake Tahoe is a hotel and casino located in Stateline, Nevada. It is branded with the name of its former owner and operator William F. Harrah and owned and operated by Caesars Entertainment Corporation. The 18-story tower and 525 rooms, plus 65000 sqft of casino make it one of the largest resorts at South Lake Tahoe.
Document 5: 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 6: Reno, Nevada: Reno is a city in the U.S. state of Nevada. It is in Northern Nevada, approximately 22 mi from Lake Tahoe. Known as "The Biggest Little City in the World", Reno is famous for its hotels and casinos and as the birthplace of Harrah's Entertainment (now known as Caesars Entertainment Corporation). It is the county seat of Washoe County, in the northwestern part of the state. The city sits in a high desert at the foot of the Sierra Nevada and its downtown area (along with Sparks) occupies a valley informally known as the Truckee Meadows. It is named after Jesse L. Reno.
Document 7: 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 8: 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 9: 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 10: William F. Harrah: William Fisk Harrah (September 2, 1911 – June 30, 1978) was an American businessman and the founder of Harrah's Hotel and Casinos, now part of Caesars Entertainment Corporation.
Document 11: South Point Hotel, Casino &amp; Spa: The South Point Hotel and Casino consists of a 25-story hotel tower and 90000 sqft convention center located on a 60 acre site along Las Vegas Boulevard in Enterprise, Nevada and adjacent to Silverado Ranch. The casino is owned and operated by Michael Gaughan and it serves as the primary sponsor of Gaughan's son Brendan Gaughan's race car.
Document 12: Bill's Casino Lake Tahoe: Bill's Lake Tahoe was a casino located in Stateline, Nevada owned and operated by and connected to next-door Harrah's Lake Tahoe.
Document 13: Harrah's Resort Southern California: Harrah's Resort Southern California (formerly Harrah's Rincon) is an Indian casino and hotel in Funner, California. It is owned by the Rincon Band of Luiseño Indians and operated by Caesars Entertainment Corporation.
Document 14: 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 15: Hard Rock Hotel and Casino (Stateline): Hard Rock Lake Tahoe (formerly Sahara Tahoe, High Sierra, Horizon Lake Tahoe and Park Tahoe) is a hotel and casino located in Stateline, Nevada. Also previously known as Sahara Tahoe and High Sierra resorts, it is one of four major casino hotels in Stateline. Horizon Lake Tahoe closed on April 1, 2014, to begin a $60 million renovation and rebranding as Hard Rock Lake Tahoe, which held its grand opening on January 28, 2015.
ground_truth: $8.6 billion