Question: The 5th District in the New York State Assembly includes towns from which county?

Context paragraphs:
Chappaqua, New York: Chappaqua is a hamlet and census-designated place in the town of New Castle, in northern Westchester County, New York.  It is on 0.45 sqmi of land on the east bank of the Hudson River, about 30 mi north of New York City.  The hamlet is served by the Chappaqua station of the Metro-North Railroad's Harlem Line.  In the New York State Legislature it is within the New York State Assembly's 93rd district and the New York Senate's 40th district.  In Congress the village is in New York's 17th District.

Francine DelMonte: Francine DelMonte (D-Lewiston) is a former member of the New York State Assembly who represented the former 138th Assembly District in New York State.  She lost the Democratic primary to former Niagara Falls City Councilman, John Accardo (D-Niagara Falls) in September 2010.  She ultimately ran on the Working Families Party line.  She was succeeded by former Niagara County Legislator John Ceretto (R-Lewiston).  The 138th District encompassed several municipalities including the towns of Lewiston, Cambria, Wilson, Porter, Niagara, Wheatfield, Newfane, and Hartland, the City of Niagara Falls, and the Tuscarora Indian Reservation in Lewiston.

John J. Flanagan: John J. Flanagan (born May 7, 1961) represents the 2nd District of the New York State Senate, which includes the entire Town of Smithtown and portions of both the Towns of Brookhaven and Huntington, all located in Suffolk County, New York.  Flanagan succeeded his father, John J. Flanagan, Sr., who served in the New York State Assembly from 1973 to 1986, when Flanagan, Jr. was first elected at age 25, serving until 2002, when he was elected to the New York State Senate.  On May 11, 2015, Flanagan was elected as Temporary President of the New York State Senate.

New York state election, 1937: The 1937 New York state election was held on November 2, 1937, to elect a judge of the New York Court of Appeals, as well as all members of the New York State Assembly.  Besides, delegates for the New York State Constitutional Convention, to be held in 1938, were elected, and an amendment to the State Constitution which proposed the increase of the term in office of the members of the New York State Assembly to two years, and of the statewide elected state officers (Governor, Lieutenant Governor, Comptroller, Attorney General) to four years, was accepted.

Ginny Fields: Ginny Fields (born November 30, 1945 in Newport News, Virginia) represented the 5th District in the New York State Assembly, which includes parts of the Long Island towns of Brookhaven and Islip, including Centereach, Farmingville, Fire Island, Holbrook, Holtsville, Lake Ronkonkoma, Selden, Bayport, Bohemia, Oakdale, Ronkonkoma, Sayville, and West Sayville.

Holbrook, New York: Holbrook is a hamlet and census-designated place (CDP) in Suffolk County, New York, United States.  The population was 27,195 at the 2010 census.  The community borders on the east side of Long Island MacArthur Airport.

Ron Kim (politician): Ronald Tae Sok Kim (born May 2, 1979) is an American politician from New York City.  He serves in the New York State Assembly representing the 40th District, which includes portions of Whitestone, Flushing and Murray Hill.  First elected in November 2012, Kim became the first and only Korean American ever elected in New York State.  Speaker Carl Heastie appointed him as Secretary of the Majority Conference of the New York State Assembly in January 2017.

Roxanne Donnery: Roxanne Donnery is a member of the Orange County legislature in Orange County, New York.  She represents the 14th District as a member of the Democratic Party, which includes the town of Highlands and most of the town of Woodbury, both located in Orange County.  She decided to run against Nancy Calhoun, who has represented the 96th District in the New York State Assembly for 20 years.

Micah Kellner: Micah Z. Kellner (born December 5, 1978) is an American politician from the state of New York.  A Democrat, he was formerly a member of the New York State Assembly from the 76th district, which includes Manhattan's Upper East Side and Roosevelt Island (map) serving a term that ended December 31, 2014 when he did not stand for reelection.  In September 2013 he lost the primary election for the Democratic nomination for the New York City Council seat for the 5th District by about 1,000 votes to attorney Ben Kallos.

Yuh-Line Niou: Yuh-Line Niou () is a Taiwanese-American politician.  She is a Democratic Party member of the New York State Assembly for the 65th district, the seat previously held by Sheldon Silver.  This district which, is heavily Democratic and 40% Asian, includes Chinatown, the Financial District, Battery Park City, and the Lower East Side.  Niou is the first Asian-American elected to the State Assembly for this district.  Her name is pronounced "you-lean nee-oh" or "you lean new", according to various sources.

Supporting paragraphs: Ginny Fields Holbrook, New York
Answer: Suffolk County