Question: What is this census-designated place (CDP) in New York with around a population of 4,000 as of 2010 and belongs to Mattituck-Cutchogue Union Free School District?
Sentence (from "Mattituck-Cutchogue Union Free School District"): To the east, the district is bordered by the Southold Union Free School District; and on the west, the Riverhead Central School District.
Relevant evidence: No