Question: Where is the headquarter of an American restaurant holding company who's chairman and chief executive officer was Jon L. Luther?

full_context: Document 1: Jon L. Luther: Jon L. Luther is an American foodservice industry executive. He was the chairman and chief executive officer of Dunkin' Brands. Luther is the Chairman of the Board of the Culinary Institute of America and Arby's Restaurant Group, and a director at Six Flags Entertainment Corporation, Wingstop Restaurants, and Tempur Sealy International.
Document 2: Old HB: Old HB, Inc., known as Hostess Brands from 2009 to 2013 and established in 1930 as Interstate Bakeries Corporation, was a wholesale baker and distributor of bakery products in the United States. Before its 2012 closure and liquidation, it owned the Hostess, Wonder Bread, Nature's Pride, Dolly Madison, Butternut Breads, and Drake's brands.
Document 3: Cinnabon: Cinnabon is an American chain of baked goods stores and kiosks, normally found in areas with high pedestrian traffic such as malls, airports and rest stops. The company's signature item is a cinnamon roll. As of July 2009, over 750 Cinnabon bakeries were operating in more than 30 countries. Its headquarters are in Sandy Springs, Georgia. The company is owned by Focus Brands, an affiliate of private equity firm Roark Capital Group. The President & Chief Operating Officer is currently Kat Cole, who worked her way up from serving as a waitress at a fast casual chain to President & COO of Cinnabon before age 35.
Document 4: Howard Lorber: Howard Mark Lorber (born September 8, 1948) is an American businessman and investor. He is the President and CEO of Vector Group Ltd., a holding company listed on the New York Stock Exchange. He is also the Chairman of Douglas Elliman, a subsidiary of Vector Group, which is the largest residential real estate brokerage in the New York metropolitan area with 4,000 brokers as of 2014 (and an additional 300 in Florida). He is also chairman of Nathan's Famous (a fast food chain in the New York area). In May 2010, he became a member of the Board of Directors at Borders Group Inc. He is also associated with New Valley Corporation (formerly Western Union), Hallman & Lorber Associates (an actuarial firm), Aegis Capital Corporation (a broker-dealer), United Capital Corporation (real estate), and Ladenburg Thalmann Financial Services
Document 5: Cumberland Farms: Cumberland Farms ("Cumbies") is a regional chain of convenience stores based in Westborough, Massachusetts, operating primarily in New York, New England and Florida. Cumberland Farms operates roughly 600 retail stores, gas stations, and a support system including petroleum and grocery distribution operations in 11 states, including Connecticut, Florida, Massachusetts, Maine, New Hampshire, New York, Rhode Island, and Vermont. Its original colors were navy blue and orange, but in 2009, they rebranded with a new logo and colors (navy blue and green). The new logo change marked the beginning of the transformation of Cumberland Farms stores from older, legacy stores to new AIM stores that now include numerous new fresh food items such as pizza, chicken sandwiches, subs, and a roller grill. The company is owned by the Haseotes family, with Lily Haseotes Bentas formerly serving as CEO and Ari Haseotes currently serving as the President and COO of Cumberland Farms Inc. It is one of the largest retail chains to be completely privately owned. Cumberland Farms offers a large assortment of food service items, candy, snacks, and chilled drinks, which it calls "The Chill Zone", along with Cumberland Farms branded chips, pastries, candy, and coffee, etc.
Document 6: Paul D. Ginsberg: Paul D. Ginsberg is the President of Roark Capital Group, a private equity firm based in Atlanta, Georgia with over $7.3 billion in equity capital raised since inception. Roark has acquired 45 multi-unit/franchise businesses that generate more than $24 billion in system revenues from over 27,000 units located in 50 states and 74 countries. Roark's current and past portfolio companies include Arby's, Auntie Anne's, Batteries Plus Bulbs, Carl's Jr., Carvel, Cinnabon, Corner Bakery, Drybar, Econo Lube, Great Expressions Dental Centers, Hardee's, Il Fornaio, Jimmy John's, Maaco, Meineke, Millers Ale House, Massage Envy, Naf Naf Grill, Orangetheory Fitness, PetValu, Pet Supermarket, Primrose Schools, Take 5 Oil Change, Quala, and Wingstop, among others. In addition to his role as President, Ginsberg serves as a director of Great Expressions Dental Centers.
Document 7: Restaurant Brands International: Restaurant Brands International is a Canadian multinational fast food company. Formed in 2014 by the $12.5 billion merger between American fast food restaurant chain Burger King and the Canadian coffee shop and restaurant chain Tim Hortons, and expanded by the 2017 purchase of Louisiana-based and themed Popeyes Louisiana Kitchen, the company is the third-largest operator of fast food restaurants in the world. The company is based alongside Tim Hortons in Oakville, Ontario, but both chains retain their existing operations and headquarters in Oakville and Miami respectively. The merger focused primarily on expanding the international reach of the Tim Hortons brand, and providing financial efficiencies for both companies.
Document 8: Jon B. Kutler: Jon B. Kutler (born October 16, 1956) is chairman, chief executive officer and founder of Admiralty Partners, Inc. and a trustee of the California Institute of Technology where he serves as the Chairman of the Jet Propulsion Laboratory Subcommittee.
Document 9: Yum! Brands: Yum! Brands, Inc., or Yum! and formerly Tricon Global Restaurants, Inc., is an American fast food company. A Fortune 500 corporation, Yum! operates the brands Taco Bell, KFC, Pizza Hut, and WingStreet worldwide, except in China, where the brands are operated by a separate company, Yum China. Prior to 2011, Yum! owned Long John Silver's and A&W Restaurants.
Document 10: Louis Hsieh: Louis Tung-jung Hsieh (, born 1965) is a Chinese businessman and lawyer and currently holds the position of Chief Financial Officer at NIO (or NextEV), a global startup based in China which designs and develops premium, smart electric vehicles and autonomous driving vehicles. He also serves as a Senior Advisor and a Board Director of New Oriental Education and Technology Group (NYSE: EDU), China’s largest private educational services provider. He was the company's president from May 2009 to January 2016. He is also the Independent Director and Audit Chairman for each of JD.com, Inc. (NASDAQ: JD), China's largest direct sales Internet company, YUM China Holdings (NYSE: YUMC), the restaurant owner in China operating KFC, Pizza Hut, Little Sheep Hot Pot and Taco Bell, and Nord Anglia Education, Inc. (NYSE: NORD), a global schools organization. He is also a board member at United Information Technologies, a Chinese storage solutions company.
Document 11: Jon C. Madonna: Jon C. Madonna, retired, was most recently chairman and chief executive officer of KPMG (a professional services firm), in New York City. He was with KPMG for 28 years, where he held numerous senior leadership positions throughout his career, including chairman from 1990 to 1996. Subsequent to his retirement from KPMG in 1996, Madonna served as vice chairman of Travelers Group, Inc. from 1997 to 1998, and president and chief executive officer of Carlson Wagonlit Corporate Travel, Inc. from 1999 to 2000. He was chief executive officer of DigitalThink, Inc. from 2001 to 2002 and chairman of DigitalThink, Inc. from April 2002 to May 2004. Madonna is a director of AT&T Inc., Phelps Dodge Corporation, Tidewater Inc. and Visa U.S.A. Inc.
Document 12: C. Stephen Lynn: C. Stephen Lynn is an American businessman and philanthropist from Tennessee. He spent the bulk of his career in the fast food industry, serving as the Chairman and CEO of the Sonic Corporation from 1983 to 1995, Chairman and CEO of Shoney's from 1995 to 1998, and CEO of Back Yard Burgers from 2007 to 2010. Lynn currently serves as CEO of GGR Enterprises, a motorsports marketing enterprises headquarter in North Carolina.
Document 13: Focus Brands: Focus Brands is an affiliate of the Atlanta-based private equity firm, Roark Capital Group, that currently owns the Schlotzsky's, Carvel, Cinnabon, Moe's Southwest Grill, McAlister's Deli, and Auntie Anne's brands. It is based in Sandy Springs, Georgia and operates over 5,000 stores.
Document 14: Bimbo Bakeries USA: Bimbo Bakeries USA (] ) is the American corporate arm of the Mexican multinational bakery product manufacturing company Grupo Bimbo. It is the largest bakery company in the United States. The company, headquartered in Horsham, Pennsylvania, a suburb of Philadelphia, owns six of the top twelve fresh bread brands in the United States, including Entenmann's, Sara Lee, and Thomas'. It is also a top advertising sponsor for many major soccer teams around the globe.
Document 15: Dunkin' Brands: Dunkin' Brands Group, Inc. is an American restaurant holding company which runs two chains of fast-food restaurants: Dunkin' Donuts and Baskin-Robbins. It is headquartered in Canton, Massachusetts.
ground_truth: Canton, Massachusetts