Question:  Boston Market Corporation is a chain of American fast casual restaurants headquartered in a municipality founded on 16 June 1859 during what?

Context paragraphs:
4 Fingers Crispy Chicken: 4FINGERS (also known as 4FINGERS Crispy Chicken) is a Singaporean chain of fast casual restaurants that specialises in crispy Asian style fried chicken.  Headquartered in Singapore, the chain was founded in 2009 and currently has 21 stores across Singapore, Malaysia, Indonesia and Australia.  The company expanded regionally to Malaysia in 2015 with three stores located in Kuala Lumpur], one store in Petaling Jaya and two outlets in Medan, Indonesia.  From June–July 2017, 4FINGERS also opened an outlet in Melbourne, Australia[http://www.businessreviewaustralia.com/finance/2431/Singaporean-fried-chicken-chain-4FINGERS-expands-into-Australia <nowiki>[2]</nowiki>] and two outlets in Queensland, Australia, with plans for expansion to Europe and the USA in the future.

Tin Star (restaurant): Tin Star is a chain of fast casual restaurants with a menu that features a selection of Tex-Mex and Southwestern entrees, salads and appetizers.  The company currently has eight Dallas–Fort Worth metroplex locations and franchises operating in Tulsa, Oklahoma and San Antonio, Texas.  The company is headquartered in Plano, Texas.

List of fast food restaurant chains: The following is a list of notable current and former fast food restaurant chains, as distinct from fast casual restaurants (see List of casual dining restaurant chains), coffeehouses (see List of coffeehouse chains), ice cream parlors (see List of ice cream parlor chains), and pizzerias (see List of pizza chains).

List of casual dining restaurant chains: This is a list of casual dining restaurant chains around the world, arranged in alphabetical order.  A casual dining restaurant is a restaurant that serves moderately priced food in a casual atmosphere.  Except for buffet-style restaurants and, more recently, fast casual restaurants, casual dining restaurants usually provide table service.

Fatburger: Fatburger Inc. is an American fast casual restaurant chain.  Its tagline is "The Last Great Hamburger Stand".  While it is a fast food restaurant, the food is cooked and made to order.  Some Fatburger restaurants have a liquor license, as well as Fat Bars.  Its franchise headquarters are in Beverly Hills, California.  In addition to the United States, the chain operates in 19 other countries.

Golden, Colorado: Golden is the Home Rule Municipality that is the county seat of Jefferson County, Colorado, United States.  Golden lies along Clear Creek at the base of the Front Range of the Rocky Mountains.  Founded during the Pike's Peak Gold Rush on 16 June 1859, the mining camp was originally named Golden City in honor of Thomas L. Golden.  Golden City served as the capital of the provisional Territory of Jefferson from 1860 to 1861, and capital of the official Territory of Colorado from 1862 to 1867.  In 1867, the territorial capital was moved about 12 mi east to Denver City.  The United States Census Bureau estimates that the city population was 18,867 in 2010.

Fast casual restaurant: A fast casual restaurant, found primarily in the United States, does not offer full table service, but promises higher quality food than other fast food restaurants (with fewer frozen or processed ingredients).  It is an intermediate concept between fast food and casual dining, and usually priced accordingly.  The category is exemplified by chains such as Boston Market, Bruegger's, Captain D's, Chipotle Mexican Grill, Dig Inn, El Pollo Loco, Newk's Eatery, Noodles & Co., Panera Bread, Pizza Ranch and Vapiano.

McAlister's Deli: McAlister's Deli is an American chain of fast casual restaurants founded in 1989 in Oxford, Mississippi by retired dentist Dr. Don Newcomb.  There are currently over 400 locations in 26 states, ranging from Virginia in the East to Florida in the South to Arizona in West to Michigan in the North.  The menu includes deli sandwiches, "Texas-size" spuds (baked potatoes), soups, salads, and desserts, as well as catering items such as sandwich trays and boxed lunches.  The chain is also known for its McAlister's Famous Sweet Tea, which is available by the glass or by the gallon.

Boston Market: Boston Market Corporation, known as Boston Chicken until 1995, headquartered in Golden, Colorado, is a chain of American fast casual restaurants.  It is owned by private equity firm Sun Capital Partners, headquartered in Boca Raton, Florida.

Freebirds World Burrito: Freebirds World Burrito, Freebirds for short, is a regional chain of fast casual burrito restaurants founded in 1987 in Santa Barbara, California, USA.  by Mark Orfalea.  The restaurant chain expanded into Texas in 1990 under Orfalea's leadership.  In 1994 Mark's college friend and manager of the Texas location, Pierre Dube, purchased control of the restaurant and gradually expanded the chain to span 19 restaurants in Texas.  Orfalea retained ownership of the original California location and a license to continue using the name in California.  The Texas Freebirds World Burrito chain, which was headquartered in College Station, was purchased by private-equity Tavistock Group in 2007.  The chain, headquartered in the Tavistock Restaurants offices in Emeryville, California, has grown to over 60 locations in Texas, 5 locations in Utah and others scattered throughout states of Kansas, Missouri, Oklahoma, Louisiana, and Tennessee.

Supporting paragraphs: Boston Market Golden, Colorado
Answer: the Pike's Peak Gold Rush