Question: The Bonstelle Theatre is located in a city with a population estimated at what in 2015?

Context paragraphs:
Bonstelle Theatre: The Bonstelle Theatre is a theater operated by Wayne State University, and located at 3424 Woodward Avenue (the southeast corner of Woodward and Eliot) in the Midtown Woodward Historic District of Detroit, Michigan.  It was originally built in 1902 as the Temple Beth-El, and was listed on the National Register of Historic Places in 1982.

Boca Raton, Florida: Boca Raton ( ; ] ) is the southernmost city in Palm Beach County, Florida, United States, first incorporated on August 2, 1924 as "Bocaratone," and then incorporated as "Boca Raton" in 1925.  The 2015 population estimated by the U.S. Census Bureau was 93,235.  However, approximately 200,000 people with a Boca Raton postal address reside outside its municipal boundaries.  Such areas include newer developments like West Boca Raton.  As a business center, the city also experiences significant daytime population increases.  It is one of the wealthiest communities in South Florida.  Boca Raton is 43 mi north of Miami and is a principal city of the Miami metropolitan area, which was home to an estimated 6,012,331 people at the 2015 census.

Xizhou, Dali: Xizhou () is a town located 20 km north of Dali Old Town in Dali City, part of the Dali Bai Autonomous Prefecture in northwestern Yunnan, China.  The town consists of 13 small villages with a combined population estimated at 2,500, mostly consisting of Bai people with a small population of Hui and Han residents.  Xizhou is located about 1 km from the shores of Erhai Lake to the east, and 2 km to the Cang Mountain to the west.  Xizhou has been historically important as a trading post along the Tea Horse Road, it was once home to a landing strip and radio station for the Flying Tigers during WWII, has been home to notable rulers and governors of local polities past and present, and has gained notoriety in modernity for its high concentration of preserved and restored traditional Bai architecture and protected heritage sites.

Detroit: Detroit ( ) is the most populous city in the U.S. state of Michigan, the largest city on the United States–Canada border, and the seat of Wayne County.  The municipality of Detroit had a 2015 estimated population of 677,116, making it the 21st-most populous city in the United States.  The metropolitan area, known as Metro Detroit, is home to 4.3 million people, making it the second-largest in the Midwest after Chicago.

Capivari de Baixo: Capivari de Baixo is a Brazilian municipality located in the southern region of Santa Catarina.  In 2010, it had a population estimated at 21,674 inhabitants.  As of 2016, the population was estimated to be at 23,982.  From 1991 to 2000, the demographic growth has been of 1,51% yearly, while the national average was of 1,63%.  From 2000 to 2010, the demographic growth was of 1,56% yearly, while the national average was of 1,17%.  Capivari de Baixo has the largest coal-fired thermoelectric power plant of Latin America, Complexo Termoelétrico Jorge Lacerda.

Lake Wales, Florida: Lake Wales is a city in Polk County, Florida, United States.  The population was 14,225 at the 2010 census.  s of 2014 , the population estimated by the U.S. Census Bureau is 15,140.  It is part of the Lakeland–Winter Haven Metropolitan Statistical Area.  Lake Wales is located in central Florida, west of Lake Kissimmee and east of Tampa.

Wyoming: Wyoming is a state in the mountain region of the western United States.  The state is the tenth largest by area, the least populous and the second least densely populated state in the country.  Wyoming is bordered on the north by Montana, on the east by South Dakota and Nebraska, on the south by Colorado, on the southwest by Utah, and on the west by Idaho.  The state population was estimated at 586,107 in 2015, which is less than 31 of the largest U.S. cities including neighboring Denver.  Cheyenne is the capital and the most populous city, with population estimated at 63,335 in 2015.

Fort Totten, North Dakota: Fort Totten is a census-designated place (CDP) in Benson County, North Dakota, United States.  The population was 1,243 at the 2010 census.  Fort Totten is located within the Spirit Lake Indian Reservation and is the site of tribal headquarters.  The reservation has a total population estimated at 6,000.  Although not formally incorporated as a city, Fort Totten has the largest population of any community in Benson County.

Oklahoma City: Oklahoma City is the capital and largest city of the U.S. state of Oklahoma.  The county seat of Oklahoma County, the city ranks 27th among United States cities in population.  The population grew following the 2010 Census, with the population estimated to have increased to 631,346 as of July 2015.  As of 2015, the Oklahoma City metropolitan area had a population of 1,358,452, and the Oklahoma City-Shawnee Combined Statistical Area had a population of 1,459,758 (Chamber of Commerce) residents, making it Oklahoma's largest metropolitan area.

Milan: Milan ( or ; Italian: "Milano" ] ; Lombard: Milan ] (Milanese variant)) is the city capital of the Lombardy Region in Northern Italy and is the 2nd richest city in the European Union after Paris in 2016. It is the second most populous city in Italy after Rome, with the city proper having a population of 1,369,000 (the Metropolitan City of Milan has a population of 3,219,000).  Its geographical outskirt (that stretches beyond the boundaries of the Metropolitan City of Milan), has a population estimated to be about 5,270,000 in 1,891 km2 , ranking 2nd in the European Union.  The wider Milan metropolitan area, popular for Greater Milan, is a polycentric metropolitan region that comprehends almost every province of Lombardy, the Piedmont province of Novara, and some parts of the province of Piacenza which counts an estimated total population of 8,123,020.

Supporting paragraphs: Bonstelle Theatre Detroit
Answer: 677,116