Question: Housatonic Congregational Church is located in what county?

Context paragraphs:
Goffstown Congregational Church: The Congregational Church of Goffstown (or Goffstown Congregational Church) is a historic Congregational church building at 10 Main Street in the center of Goffstown, New Hampshire, United States.  It is a member of the Conservative Congregational Christian Conference (CCCC).

Great Barrington, Massachusetts: Great Barrington is a town in Berkshire County, Massachusetts, United States.  It is part of the Pittsfield, Massachusetts, Metropolitan Statistical Area.  The population was 7,104 at the 2010 census.  Both a summer resort and home to Ski Butternut, Great Barrington includes the villages of Van Deusenville and Housatonic.  It is the birthplace of W. E. B. Du Bois.  In 2012, "Smithsonian" magazine ranked Great Barrington #1 in its list of "The 20 Best Small Towns in America".

Allston Congregational Church: Allston Congregational Church is a historic Congregational church building at 31-41 Quint Avenue in Boston, Massachusetts.  The Romanesque church was designed by Allston native Eugene Clark built in 1890-91.  The property includes a Shingle style parsonage built about the same time.  The buildings were listed on the National Register of Historic Places in 1997.  The church was closed in 2003 when its congregation was merged with Brighton Evangelical Congregational Church to form the Brighton Allston Congregational Church.  The building now houses a mosque and the Palestinian Cultural Center for Peace.

First Baptist Congregational Church: First Baptist Congregational Church is a United Church of Christ and Baptist congregation currently located at 60 N. Ashland Blvd. in Chicago, Illinois, United States.  The church building is an Illinois Historic Landmark and is listed on the National Register of Historic Places.  The building was designed by architect Gurdon P. Randall for the Union Park Congregational Church, founded in 1860, and was built between 1869 and 1871.  After the Great Chicago Fire of 1871, the Mayor's Office, City Council, and General Relief Committee of Chicago were temporarily headquartered in the church.  In 1910, the building of nearby First Congregational Church (founded in 1851) burnt down.  Union Park Congregational then merged with First Congregational to form (New) First Congregational Church.  Two other congregations would eventually merged into the new First Congregational Church: Leavitt Street Congregational Church (founded in 1868) in 1917 and Bethany Congregational Church in the 1920s.

Congregational Union of New Zealand: The Congregational Union of New Zealand was founded in 1841 by Pastor Barzillai Quaife, a Māori missionary.  Rev. Jonas Woodward was a leading figure in the denomination; he founded the Congregational church in Wellington in 1842.  The congregational church in Auckland was formed in 1851, the congregational churches in Dunedin and Christchurch were formed in 1862 and 1894.  Work progressed slowly, 40 years later it had only 12 ministers in New Zealand.  Officially it was formed in 1887.  In 1890s women were admitted to the Assembly as full members.  In 1920 church union with the Presbyterian church was initiated, but declined until the Methodist church could join.  In 1947 it accepted responsibility the Former London Missionary Society churches in the Pacific islands in Samoa, Cook Islands, Niue.  In 1963 the Pacific Island Congregational Churches split.  The majority of the denomination merged with the Presbyterian Church of Aotearoa New Zealand.  The minority remain independent.  In 2004 it had 850 members and 15 congregations and 15 house fellowships.

Housatonic Congregational Church: Housatonic Congregational Church is a historic church at 1089 Main Street in Great Barrington, Massachusetts.  It was built in 1892 to replace an earlier church, the first built for the congregation in 1842.  It was designed by H. Neill Wilson, who also designed a number of notable Pittsfield buildings.  In 1902 a new parsonage replaced an earlier one which was purchased by the Monument Mills Company; it was sold in 1979 to provide funds for needed work on the church and the rest of the property.  The sanctuary's stained glass windows were restored in 1978.

First Congregational Church (Berkshire, New York): First Congregational Church is an evangelical, historic Congregational church located at Berkshire in Tioga County, New York.  The first "Berkshire" Congregational Church was founded in 1803, and continues now in Newark Valley.  The whole area now comprising Richford, Berkshire and Newark Valley had comprised only one town, Berkshire, originally.  The present-day Berkshire Congregational Church was established in 1833, as a natural outgrowth of the one in Newark Valley.

Windsor Avenue Congregational Church: The Windsor Avenue Congregational Church is historic church at 2030 Main Street in Hartford, Connecticut.  The brick Romanesque Revival-style church building now houses the Faith Congregational Church, whose lineage includes the city's oldest African-American congregation.  The current congregation has been at this location since Talcott Street Congregational Church merged with Mother Bethel Methodist Church in 1953 to become Faith Congregational Church.  The building was designed by Hartford architect Samuel J. F. Thayer and built in 1871–72.  The founding congregation merged with another congregation in 1954 to form the Horace Bushnell Congregational Church, which is located in the former Fourth Congregational Church building at Albany and Vine Streets.

Eliot Congregational Church: Eliot Congregational Church ("Walnut Avenue Congregational Church" or "Eliot United Church of Christ") is an historic Congregational church at 56 Dale Street, at the corner of 118-120 Walnut Street in Boston, Massachusetts.  The main church building was designed by J. Williams Beal and built in 1873.  It is built out of Roxbury puddingstone.  A second chapel was added in 1889, and a two-story addition was added 1899-1915.  The main chapel has a stained glass window manufactured by the studio of Louis Comfort Tiffany.

United Congregational Church of Southern Africa: The United Congregational Church in Southern Africa began with the work of the London Missionary Society, who sent missionaries like Dr. Theodorus van der Kemp to the Cape colony in 1799.  He was established the first Congregational church in Cape Town in 1801.  LMS missionaries like David Livingstone spread the Gospel among the Batswana and Amandbele peoples.  After 1820 English and Welsh settlers established their own congregational congregations.  Congregationalist missionaries from the American Board of Commissioners for Foreign Missions began work in KwaZulu-Natal in 1830, and several congregations of white settlers formed the Congregational Union of South Africa.  These three bodies united to form the United Congregational Church of Southern Africa in 1967.

Supporting paragraphs: Housatonic Congregational Church Great Barrington, Massachusetts
Answer: Berkshire