Question: In what county of New York, United States is West Sayville and Sayville School District located? 
Sentence (from "Sayville School District"): Sayville School District (also referred to as "Sayville Public Schools" or "Sayville Union Free School District") is a public school district generally encompassing the hamlets of Sayville and West Sayville, in the Town of Islip, Suffolk County, New York, United States.
Relevant evidence: Yes