Question: Where is the rental car company, for which Pamela Nicholson is President and Chief Executive Officer, headquartered?

full_context: Document 1: Noreen Culhane: Noreen M. Culhane is American businesswoman and current Executive Vice President of the New York Stock Exchange, directing their Global Corporate Client Group. Ms. Culhane also manages the Exchange's Initial Public Offering process and their worldwide efforts to attract new listings. Additionally, she serves as an Executive Vice President of Pep Boys, director of Mutual of America Capital Management and director of the Marco Polo Network.
Document 2: City Car Club: City Car Club, now Enterprise Car Club, is a British car club operator. Established in 2000 and with around 840 vehicles, it is the oldest and one of the largest car clubs operating at a national scale in the country. In April 2015 City Car Club was acquired by Enterprise Rent-A-Car, and was renamed Enterprise Car Club.
Document 3: Pamela Nicholson: Pamela M. Nicholson is a U.S. businesswoman. She is President and Chief Executive Officer of Enterprise Holdings. In 2007 she was also inducted in the "Fortune" Top 50 Most Powerful Women list as number 44. In 2009, "Forbes" included her among their 100 Most Powerful Women at number 89.
Document 4: Pamela Thomas-Graham: Pamela Thomas-Graham (born June 24, 1963) is an African-American businesswoman, corporate leader, and author. She was a senior executive at Credit Suisse, where she served as the bank's 10-member Executive Board until October 2015. On July 1, 2016 Credit Suisse announced that Thomas-Graham was leaving the bank. In August 2016, Thomas-Graham was elected by the Clorox Company board of directors as the lead independent director at the $5.7 billion Fortune 500 Company. Previously, she served as a partner at McKinsey and Company, President and CEO of CNBC and Group President of Liz Claiborne.
Document 5: Enterprise Rent-A-Car: Enterprise Rent-A-Car is an American car rental company headquartered in Clayton, Missouri, United States in Greater St. Louis. In addition to car rental, Enterprise also oversees commercial fleet management, used car sales, and commercial truck rental operations.
Document 6: Car2Go: car2go is a German car rental company. It is a subsidiary of Daimler AG providing carsharing services in European and North American cities. The company offers exclusively Smart Fortwo and Mercedes-Benz vehicles and features one-way point-to-point rentals. Users are charged by the minute, with hourly and daily rates available. The service forgoes the typical centralized rental office, and cars are user-accessed via a downloadable smartphone app wherever they are parked. As of July 2017, car2go is the largest carsharing company in the world with 2,500,000 registered members and a fleet of nearly 14,000 vehicles in 26 locations in North America, Europe and Asia.
Document 7: Nichole Evelyn West: Nichole West (born July 8, 1985) is the former Vice President of Operations and Business Development for AJS Holdings Sweet Leaf Marijuana Centers. West is an American business woman, Cannabis Advocate and a Cannabis Educator.
Document 8: Consolidated rental car facility: A consolidated rental car facility (CRCF) is a complex that hosts numerous rental car agencies. They are often found at airports in the United States. The incentive for building consolidated facilities are numerous, including: less congestion on surface streets, more convenience for rental car company employees, greater efficiencies for rental car companies, and numerous environmental benefits from reduced emissions to consolidated, professionally managed fueling stations. Typical services to the rental car companies include onsite offices, fueling, car wash, car prep (vacuums, windshield wiper fluids, and trash services), and light maintenance areas.
Document 9: The Hertz Corporation: The Hertz Corporation, a subsidiary of Hertz Global Holdings Inc., is an American car rental company based in Estero, Florida that operates 9,700 international corporate and franchisee locations. As the second-largest US car rental company by sales, locations, and fleet size, Hertz operates in 150 countries, including North America, Europe, Latin America, Africa, Asia, Australia, The Caribbean, the Middle East, and New Zealand. The Hertz Corporation owns Dollar and Thrifty Automotive Group - which separates into Thrifty Car Rental and Dollar Rent A Car.
Document 10: Enterprise Airlines: Enterprise Airlines was a scheduled airline based in Cincinnati, Ohio, USA. It operated scheduled service to 14 destinations from Cincinnati and from another focus city, Columbus Ohio.
Document 11: Enterprise Holdings: Enterprise Holdings, Inc. is an American holding company headquartered in Clayton, Missouri. It is the parent company of car rental companies Enterprise Rent-A-Car, National Car Rental, Alamo Rent a Car, and Enterprise CarShare. The holding company was formed in 2009 as a result of Enterprise Rent-A-Car's 2007 acquisition of Vanguard Automotive Group, the parent company of National Car Rental and Alamo Rent a Car. Enterprise ranks as the largest car rental company in the United States. The company sells its used cars through Enterprise Car Sales. It is owned by the Taylor family
Document 12: Patricia A. Woertz: Patricia Ann Woertz, (born March 17, 1953), is a retired American businesswoman. She has formerly served as the President and CEO of Archer Daniels Midland. She was previously Executive Vice President of the Chevron Corporation, where she spent 29 years and served as its Executive Vice President of Global Downstream. As of 2014, she is listed as the 85th most powerful woman in the world by "Forbes".
Document 13: Angela Ahrendts: Angela Jean Ahrendts, DBE (born June 7, 1960) is an American businesswoman and the Senior Vice President of Retail at Apple Inc. She was the CEO of Burberry from 2006 to 2014. Ahrendts left Burberry to join Apple in 2014. Ahrendts was ranked 25th in Forbes' 2015 list of the most powerful women in the world, 9th most powerful woman in the U.K. in the BBC Radio 4 Woman’s Hour 100 Power List, and 29th in "Fortune"’s 2014 list of the world's most powerful women in business. She was also a member of the UK's Prime Minister's business advisory council until it was disbanded in 2016.
Document 14: Enterprise Car Sales: Enterprise Car Sales was established in 1962 by Enterprise Rent-A-Car founder Jack Taylor and is an expanded service of the Enterprise Holdings, the largest rental car company in North America.
Document 15: Carol Meyrowitz: Carol M. Meyrowitz is the Executive Chairman of the Board and the Chairman of the Executive Committee of TJX Companies, the leading off-price retailer in the United States. As of 2015, she is listed as the 76th most powerful woman in the world by "Forbes". As of 2014, she was also ranked as the 12th most powerful woman in the world by "Fortune".
ground_truth: Clayton, Missouri, United States