Question: Damon R. Eubank,  is an historian at Campbellsville University in Campbellsville, Kentucky, principally known for his study of the family of U.S. Senator John J. Crittenden, he was a politician from which U.S. state?
Sentence (from "Campbellsville, Kentucky"): The population within city limits was 10,604 at the 2010 U.S. census.
Relevant evidence: No