Question: What is the name of the restaurant chain that is headquartered in Warren, Michigan in Metro Detroit?
Context: Ram's Horn is a family restaurant restaurant chain in the Detroit, Michigan metropolitan area.  It was founded by three brothers, Gus, Gene, and Steve Kasapis, with the first location opening in 1967.  They now have 25 locations all over the metro Detroit area.  Most stores are independently owned.  Their current slogan is "It's where to go when you're hungry!" . Art Van Furniture Inc. is an American furniture retail store chain.  The company operates 39 stores throughout Michigan, eight stores in the Chicago area, one store in Toledo, Ohio, one store in Fort Wayne, Indiana, a full service e-commerce website, plus several freestanding Art Van PureSleep bedding stores in Michigan, Ohio and Indiana.  The company also has eleven franchised stores in the Midwest.  When added together, the company has more than 100 brick and mortar locations.  Founded in 1959, the company is family-owned and headquartered in Warren, Michigan in Metro Detroit. Tourism in metropolitan Detroit, Michigan is a significant factor for the region's culture and for its economy, comprising nine percent of the area's two million jobs.  About 15.9 million people visit Metro Detroit annually, spending an estimated $4.8 billion.  Detroit is one of the largest American cities and metropolitan regions to offer casino resort hotels.  Leading multi-day events throughout Metro Detroit attract super-sized crowds of hundreds of thousands to over three million people.  More than fifteen million people cross the highly traveled nexus of the Ambassador Bridge and the Detroit-Windsor Tunnel annually.  Detroit is at the center of an emerging Great Lakes Megalopolis.  An estimated 46 million people live within a 300-mile (480 km) radius of Metro Detroit. The Detroit metropolitan area, often referred to as Metro Detroit, is a major metropolitan area in Southeast Michigan, consisting of the city of Detroit and its surrounding area.  There are several definitions of the area, including the official statistical areas designated by the Office of Management and Budget, a federal agency of the United States.  Metro Detroit is known for its automotive heritage, arts, entertainment, popular music, and sports.  The area includes a variety of natural landscapes, , and beaches, with a recreational coastline linking the Great Lakes.  It is one of the nation's largest metropolitan economies, with seventeen Fortune 500 companies. A 2013 report by the Global Detroit and Data Driven Detroit stated that of the immigrant ethnic groups to Metro Detroit, the largest segment is the Indian population.  As of 2012, the Indian populations of Farmington Hills and Troy are among the twenty largest Indian communities in the United States.  As of the 2000 U.S. Census there were 39,527 people with origins from post-partition India (Indians and Indian Americans) in Metro Detroit, making them the largest Asian ethnic group in the Wayne County-Macomb County-Oakland County tri-county area, next to Middle Easterners People of those origins are found throughout Metro Detroit, with the majority being in Oakland County. Big Boy Restaurants International, LLC is an American restaurant chain headquartered in Warren, Michigan, in Metro Detroit.  Frisch's Big Boy Restaurants is a restaurant chain with its headquarters in Cincinnati, Ohio.  The Big Boy name, design aesthetic, and menu were previously licensed to a number of regional franchisees. Suburban Collection Showplace is a convention center and exposition center in Novi, Michigan, which forms part of Metro Detroit.  Suburban Collection Showplace is owned by TBON, LLC., a corporation located in Novi.  The center is in proximity to Interstate 96, and is about 20 mi west-northwest of Detroit.  it is the second largest convention center facility in Metro Detroit, after the Cobo Center in Downtown Detroit.  The complex hosts the Michigan State Fair and has done so since 2012. Frisch's Big Boy is a regional Big Boy restaurant chain with headquarters in Cincinnati, Ohio.  For many years a Big Boy franchisee, today Frisch's is the exclusive owner of the Big Boy trademark in Indiana, Kentucky, and most of Ohio and Tennessee and has no affiliation with Big Boy Restaurants International.  In March 2017, there were 121 restaurants in Indiana, Kentucky, and Ohio.  This includes 21 Big Boy stores in Cincinnati, 6 in Dayton, Ohio, and 6 in Louisville, Kentucky.  Frisch's is the oldest, longest surviving regional Big Boy operator, excluding Bob's Big Boy in California, which was the original Big Boy restaurant and franchisor. US Highway 24 (US 24) is a United States Numbered Highway that runs from Minturn, Colorado, to Independence Township, Michigan.  In Michigan, it is also known as Telegraph Road and runs for 79.828 mi as a major north–south state trunkline highway from the Ohio state line through Metro Detroit.  The highway runs through three counties in southeastern Michigan, Monroe, Wayne and Oakland, as it parallels the Lake Erie shoreline and bypasses Metro Detroit on the west.  Telegraph Road connects several suburbs together and passes through the western edge of Detroit before it terminates northwest of Clarkston at an interchange with Interstate 75 (I-75). As of 2012, about 116,000 Jewish Americans live in Metro Detroit.  In 2001, about 96,000 Jewish Americans lived in Metro Detroit.  That year, 75% of them lived in Oakland County.  Many are in walking distances to their synagogues.  In 2006 the Jews living in Windsor, Ontario, lived closer to Downtown Detroit than the Jewish communities within Metro Detroit.
Answer: Big Boy Restaurants