Question: The Metropolitan District Commission Stable is located in a town in Norfolk County, Massachusetts, that had a population of what in the 2010 census?

Context paragraphs:
Millis, Massachusetts: Millis is a town in Norfolk County in the U.S. state of Massachusetts.  It is a small town with a population of 7,891 according to the 2010 census.  The town is approximately 19 mi southwest of downtown Boston and is bordered by Norfolk, Sherborn, Holliston, Medfield, and Medway.  Massachusetts state routes 109 and 115 run through Millis.

Walpole, Massachusetts: Walpole is a town in Norfolk County, Massachusetts, United States and also encompasses the entirely distinct entity of Walpole (CDP), with its much smaller area of 2.9 square miles and smaller population of 5,198 at the 2010 census.  Walpole Town, as the Census refers to the actual town, is located about 13 mi south of Downtown Boston and 23.5 mi north of Providence, Rhode Island.  The population was 24,070 at the 2010 census.  Walpole was first settled in 1659 and was considered a part of Dedham until officially incorporated in 1724.  The town was named after Sir Robert Walpole, "de facto" first Prime Minister of Great Britain.

Braintree, Massachusetts: Braintree ( ), officially the Town of Braintree, is a suburban New England city in Norfolk County, Massachusetts, United States.  Although officially known as a town, Braintree adopted a municipal charter, effective 2008, with a mayor-council form of government and is considered a city under Massachusetts law.  The population was 35,744 at the 2010 census.  The town is part of the Greater Boston area with access to the MBTA Red Line and is a member of the Metropolitan Area Planning Commission's South Shore Coalition.  The first and current mayor of Braintree is Joe Sullivan.  Braintree, Massachusetts is named after Braintree, Essex in England.

Mystic Dam: The Mystic Dam (and its gatehouse) are a historic dam and gatehouse between Lower and Upper Mystic Lakes in the suburbs north of Boston, Massachusetts.  The dam was built in 1864-5 by the Charlestown Water Commission (Charlestown then being separate from Boston) as part of a water supply system.  It was located at a narrow point between the Lower and Upper Mystic Lakes, with its west end in Arlington and its east end in Medford.  The water system it was a part of eventually merged into the Metropolitan District Commission (MDC), predecessor to the Massachusetts Water Resources Authority (MWRA) and the Massachusetts Department of Conservation and Recreation (DCR).

Simcoe, Ontario: Simcoe is an unincorporated community and former town in Southwestern Ontario, Canada located near Lake Erie.  It is the county seat and largest community of Norfolk County.  Simcoe is located at the junction of Highway 3, at Highway 24, due south of Brantford, and accessible to Hamilton by nearby Highway 6.  This largest of the Communities in Norfolk County, Ontario had a population of 13,922 at the time of the 2016 Census.

Metropolitan District Commission Stable: The Metropolitan District Commission Stable is a historic stable on Hillside Street in Milton, Massachusetts.

Milton, Massachusetts: Milton is a town in Norfolk County, Massachusetts, United States and an affluent suburb of Boston.  The population was 27,003 at the 2010 census.  Milton is the birthplace of former U.S. President George H. W. Bush and architect Buckminster Fuller.

Norfolk, Massachusetts: Norfolk is a town in Norfolk County, Massachusetts, United States, with a population of 11,227 people at the 2010 census.  Formerly known as North Wrentham, Norfolk broke away to become an independent town in 1870.

Bellingham, Massachusetts: Bellingham is a town in Norfolk County, Massachusetts, United States.  The population was 16,332 at the 2010 census.  The town sits on the southwestern fringe of Metropolitan Boston, along the rapidly growing "outer belt" that is Route 495.  It is formally a part of the Boston–Cambridge–Quincy metropolitan statistical area, as well as the Providence metropolitan area.

Massachusetts's 8th congressional district: Massachusetts's 8th congressional district is located in eastern Massachusetts, including part of Boston.  It is represented by Democrat Stephen Lynch.  For one congressional term (1791–1793) it served as the home district of the District of Maine.  The district boundaries are significantly changed as of the elections of 2012 due to redistricting after the 2010 census, with the old 8th district largely being shifted to the new 7th district.  The new 8th district comprises many of the communities of the old 9th district, as well as some easternmost Norfolk County communities and northernmost Plymouth County communities of the old 10th district.

Supporting paragraphs: Metropolitan District Commission Stable Milton, Massachusetts
Answer: 27,003