Question: Oak Hill High School serves students from Litchfield, Wales, and what town that is in Androscoggin County, Maine, with a population of 4,876, and was formerly known as Webster?
Sentence (from "Sabattus, Maine"): The town was formerly known as Webster, and changed its name to Sabattus in 1971, in honor of a former Anasagunticook Indian chief.
Relevant evidence: Yes