Question: What city in New York, previously known as Little Cow Harbor, has the historic John Harned House?

Context paragraphs:
Cow Harbor Day: Cow Harbor Day is an annual festival celebrating the history of the village of Northport, New York, which was once known as Great Cow Harbor.  It is held annually on the Sunday of the third full weekend in September, and since 1977 following the Great Cow Harbor 10K held on the Saturday before.

Priscilla Dailey: Priscilla Dailey, previously known as the Elizabeth E. Newell, is a wooden canal boat constructed in 1929 in Whitehall, New York.  The barge was used to transport bulk cargo in New York, New Jersey, and Connecticut harbors.  It sunk in 1974 along with the "Elmer S. Dailey" and the "Berkshire No. 7" in the harbor of Bridgeport, Connecticut on the west side of the Pequonnock River.  The sunken boat has deteriorated to the point that a salvage operation could result in it breaking apart.  It was added to the National Register of Historic Places on December 21, 1978.

Reverie Cove: Reverie Cove is a historic summer estate on Harbor Lane in Bar Harbor, Maine.  It was designed by local architect Fred L. Savage and built in 1895, and is a particularly opulent example of Colonial Revival architecture.  A later owner of the property was New York City mayor Abram Hewitt.  The house was listed on the National Register of Historic Places in 1982, and as part of the Harbor Lane-Eden Street Historic District in 2009.

Margolis Brown Adaptors Company: The Margolis Brown Adaptors Company (MBAC) is an internationally touring physical theatre company that also houses the Margolis Method Training Center now located in Highland, New York.  It was established in New York City in 1984 by Kari Margolis and Tony Brown.  As co-artistic directors, Margolis and Brown have thus far co-authored, directed, and sometimes performed in 16 full-length theatrical productions, as well as numerous site-specific works at such places as the Brooklyn Museum, Coney Island, and the historic John A. Roebling Suspension Bridge on the Delaware River.

Great Cow Harbor 10K: The Great Cow Harbor 10-Kilometer Run is a 10 km road running event held annually in the Long Island village of Northport, New York, on the third Saturday each September.  The race is co-organized by its organizing committee (The Great Cow Harbor 10-Kilometer Run, Inc.), the Northport Running Club, and Northport American Legion Post 694.  The title sponsor is Capital One Bank.  Proceeds from the race benefit several local charities as well as the Special Olympics of Long Island.

Elmwood Historic District–East: Elmwood Historic District–East is a national historic district located at Buffalo, Erie County, New York.  The district encompasses 2,405 contributing buildings, 31 contributing structures, and 14 contributing objects in the Elmwood Village neighborhood of Buffalo.  It is bounded on the north by Delaware Park, Forest Lawn Cemetery, and the former Buffalo State Asylum, on the south by the Allentown Historic District, and on the west by the Elmwood Historic District–West.  This predominantly residential district developed between about 1867 and 1965, and includes notable examples of Queen Anne, Shingle Style, Colonial Revival, Tudor Revival, and American Craftsman style architecture.  The district contains one of the most intact collections of built resources from turn of the 20th century in the city of Buffalo and western New York State.  Located in the district are 17 previously listed contributing resources including the Buffalo Seminary, Garret Club, James and Fanny How House, Edgar W. Howell House, Edwin M. and Emily S. Johnston House, Col. William Kelly House, Lafayette Avenue Presbyterian Church, Parke Apartments, and the Unitarian Universalist Church of Buffalo.  Other notable building include the Frank Lloyd Wright designed William R. Heath House (1904-1905), Herbert H. Hewitt House (c. 1898), School 56 (1910-1911), the Harlow House (c. 1892), A. Conger Goodyear house (c. 1908), Alexander Main Curtiss House (now the Ronald McDonald House, 1895), Nardin Academy campus (c. 1914), and Coatsworth House (1897).

John Harned House: The John Harned House is a historic house located at 26 Little Neck Road in Centerport, Suffolk County, New York.

Green Pastures (Middleburg, Virginia): Green Pastures is a historic home and farm complex and national historic district located near Middleburg, Fauquier County, Virginia.  The district encompasses 13 contributing buildings built between 1931 and 1947.  The include a Colonial Revival style manor house inspired by Mount Vernon, a smokehouse, stable, hostlers' quarters, farmer's cottage, garage and cow shed, chicken house and cow barn designed by New York architect Penrose V. Stout and built between 1931 and

Centerport, New York: Centerport is a hamlet and census-designated place (CDP) in Suffolk County, New York, United States, on the notably affluent North Shore of Long Island.  Formerly known as Little Cow Harbor in about 1700, as Centreport in 1836, and as Centerport after 1895, the name refers to its geographic position midway between the east and west boundaries of the town of Huntington.

Northport Traction Company: Northport Traction Company was a trolley service in the Town of Huntington in New York.  It ran from 1902 to 1924 and served East Northport and Northport, New York.  The company only had one line throughout its history which ran from Northport (LIRR station) to Northport Harbor, at what is today Cow Harbor Park.  Unlike Huntington Railroad to the west, Northport Traction Company never expanded beyond either Northport or East Northport, and no record exists of any proposal to do so.

Supporting paragraphs: John Harned House Centerport, New York
Answer: Centerport, Suffolk County, New York