Question: Betty Lou Mitchell, is an American politician from Maine, Mitchell served in the Maine Senate, as a Republican, from 1996 to 2004, representing western Penobscot County, including her residence of Etna, Etna is a town in Penobscot County, Maine, in which country?
Sentence (from "Etna, Maine"): Etna is a town in Penobscot County, Maine, United States.
Relevant evidence: Yes