Question: East Nassau Central School is located in a town of what population?

Context paragraphs:
East Nassau, New York: East Nassau is a village in Rensselaer County, New York, United States.  The population was 587 at the 2010 census.

Central School (Lake City, Iowa): Central School is a historic structure located in Lake City, Iowa, United States.  A bond referendum for a new school passed in February 1884.  The Des Moines architectural firm of Foster & Liebee designed the building in the Italianate style, and it was built by contractor Robert Harrison.  They based their plan on an example the school board found in Everett's "School Architecture".  The exterior of the two-story structure is composed of locally produced brick and it cost $7,175 to build.  Two classrooms were located on each of the two floors.  A frame building to house the kindergarten was built in 1895, and the school board determined the following year to expand the building by four more classrooms.  In 1897 the addition was completed, as was another grade school building in town.  A high school was built in 1904, which took the pressure off the school's population.  The building served as a school building until 1980.  It was acquired three years later by Central School Preservation Inc. and renovated for a historic-cultural center.  It was listed on the National Register of Historic Places in 1985.

Central School Campus: Central School Campus, also known as Central School and DeSoto High School, is a historic school complex located at De Soto, Jefferson County, Missouri.  The Central School was built about 1882, and remodeled into its current form in 1950.  It is a 2 1/2- to 3-story rectangular brick building.  The DeSoto High School was built in 1927, and is a three story, textured brick building with a flat roof and accented with limestone or cast stone ornament reflecting the Classical Revival style.

Suffern High School: Suffern High School is located in the Suffern Central School District in Suffern, New York.  The school's mascot is a mountain lion (Mountie).  Its yearbook is the "Panorama".  Suffern High is ranked in the top 500 high schools in the United States at number 439.  Suffern High School was formally in the Ramapo Central School District, however, as of August 21, 2017, the district was renamed Suffern Central School District.

Hauppauge Union Free School District: Hauppauge Union Free School District is a school district based in Hauppauge, New York.  It is near the Commack School District and Half Hollow Hills Central School District, as well as the Syosset Central School District and Jericho Union Free School District in Nassau County

Brainard, New York: Brainard is a hamlet in the town of East Nassau, Rensselaer County, New York, United States.  The community is located along U.S. Route 20 and New York State Route 66 5.2 mi east-south east of the village of Nassau.  Brainard has a post office with ZIP code 12024, which opened on April 7, 1881.

Crawford Central School District: The Crawford Central School District is a midsized, public school district in Crawford county, Pennsylvania.  It serves the City of Meadville, Borough of Cochranton and East Fairfield Township, Fairfield Township, Union Township, Vernon Township, Wayne Township and West Mead Township in Crawford County, Pennsylvania.  Crawford Central School District encompasses approximately 156 square miles.  According to 2000 federal census data, it serves a resident population of 30,882 people.  By 2010, the district's population declined to 30,635 people.  In 2009, the Crawford Central School District residents' per capita income was $18,463, while the median family income was $43,771.  In the Commonwealth, the median family income was $49,501 and the United States median family income was $49,445, in 2010.  By 2013, the median household income in the United States rose to $52,100.

Brunswick (Brittonkill) Central School District: Brunswick (Brittonkill) Central School District (BCSD) is a rural fringe central school district located east of the city of Troy whose main campus resides in the town of Brunswick in Rensselaer County, New York, United States.  The district has two operating school buildings: Tamarac Elementary School (Pre-K through 5) and Tamarac Secondary School (6 through 12).  The district is a member of the Rensselaer-Columbia-Greene Board of Cooperative Educational Services (BOCES), known as Questar III.

East Nassau Central School: East Nassau Central School is a historic school building located at East Nassau in Rensselaer County, New York.  It was built in 1930 and is a two story, steel frame and concrete block building with a brick veneer in the Classical Revival style.  It sits upon a raised concrete foundation and has a flat roof concealed behind a low parapet wall with concrete capstones.  It features a small entrance portico of brick with concrete trim and a wrought iron balustrade.

East Otto Union School: East Otto Union School is a historic school building located at East Otto in Cattaraugus County, New York.  It was built in 1920, and functioned as a local high school from 1921 to the 1950s, after which the school was merged into the Cattaraugus Central School (now Cattaraugus-Little Valley Central School) 12 miles to the southwest.  It is a Colonial Revival style frame building that features a distinctive cupola.  Since 1972, the structure has served as town hall for the town of East Otto, New York.

Supporting paragraphs: East Nassau Central School East Nassau, New York
Answer: 587