Question: The college Alice Stone Ilchman served as the eighth president of is located in what New York county?
Context: Alice Stone Ilchman (April 18, 1935 – August 11, 2006) served as the eighth president of Sarah Lawrence College from 1981 to 1998. George Daniel Miller III (March 27, 1951) was the eighth president of Davis College in Johnson City, New York.  He is married to Elaine and they have 3 children. Marvin Krislov (born August 24, 1960) is the eighth president of Pace University in New York.  Prior to President Krislov’s appointment at Pace, he served for 10 years as the president of Oberlin College and nine years as the vice president and general counsel of the University of Michigan. Martin Van Buren National Historic Site is a unit of the United States National Park Service located 20 mi south of Albany, New York, or two miles south of the village of Kinderhook, New York in Columbia County.  The National Historic Site preserves the estate and thirty-six room mansion of Martin Van Buren, the eighth President of the United States.  Van Buren purchased the estate, which he named Lindenwald, in 1839 during his one term as President and it became his home and farm during his retirement. Sarah Lawrence College is a private liberal arts college in the United States.  It is located in southern Westchester County, New York, in the city of Yonkers, 15 mi north of Manhattan. Caleb R. Ayer (1813–1883) was an American politician from Maine.  Ayer graduated from Dartmouth College in 1834 and was admitted to the bar in 1838.  He was an associate of Nathan Clifford and moved to Cornish in York County in 1841.  Six years later in 1847, Ayer was elected as a Democrat to the Maine State Senate and served as Senate President in 1848.  In 1856, he served as the Secretary of State of Maine under Governor Samuel Wells.  He served as the York County Attorney General from 1868-70.  He died in 1883.  The Caleb R. Ayer House in Cornish is listed on the National Register of Historic Places. Kinderhook (Ichabod Crane) Central School District is located in between the Catskill and Berkshire mountains and serves a population of 8,296 residents in northern Columbia and southern Rensselaer counties.  The district is in a rural setting 26 miles southeast of New York's capital, Albany, 15 miles (24 km) northeast of Hudson, and 120 miles north of New York City.  The Ichabod Crane Central School District was formed in 1954, incorporating seven community schools into one centralized district.  Currently there are three buildings, down from five after in 2012 the district closed down the elementary school of Martin H. Glynn and Martin Van Buren, the latter named after Van Buren, who made his home in Kinderhook, served as a New York state attorney general, vice president under Andrew Jackson, and as the eighth president of the United States.  Glynn, raised in the village of Valatie, served as a U.S. representative, as well as the governor of New York from 1913 to 1915. The Southern York County School District is a suburban, public school district in York County in the South Central region of Pennsylvania.  It serves: Codorus Township, Glen Rock, Railroad, New Freedom, Shrewsbury Township, Shrewsbury, and a portion of Hopewell Township.  Southern York County School District encompasses approximately 68 sqmi .  According to 2000 federal census data, it served a resident population of 18,592 people.  By 2010, the district's population increased to 20,858 people.  The educational attainment levels for the Southern York County School District population (25 years old and over) were 89.3% high school graduates and 26.5% college graduates. Julius Harburger (1850 - November 9, 1914) was a New York City politician.  He was elected as the Sheriff of New York County, New York from 1911 to December 31, 1913.  He also served as the Coroner of New York County, New York in 1907 serving as the president of the board of coroners. John Hudson Peck was the eighth president of Rensselaer Polytechnic Institute.  He was born on February 7, 1838 in Hudson, New York.  He was a descendant of William Peck, one of the original founders of the New Haven Colony.  In 1859, he received a B.A. degree from Hamilton College.  He later received M.A. and L.L.D degrees from Hamilton.  He was admitted to the bar in New York State in 1861 and began to practice law in Troy, New York.  In 1883, he married Mercy P. Mann.  In the same year, he became a trustee of the Troy Female Seminary, which became the Emma Willard School.  He was also a trustee of the Episcopal diocese of Albany.  In 1888, he was appointed president of Rensselaer, and remained president for twelve years.  He died on May 4, 1919.
Answer: Westchester County