Question: The lake that is on the eastern boundary of the Chaubunagungamaug Reservation is also known by which name based on the town it's located in?
Sentence (from "Chaubunagungamaug Reservation"): The reservation is used by the descendants of the Nipmuck Indians of the previous reservation, c. 1682-1869, that existed in the same area, who now identify as the Webster/Dudley Band of the Chaubunagungamaug Nipmuck.
Relevant evidence: No