Question: The Battle of the Grapevine Creek was the last offensive event in what feud that spanned the years 1863-1891?
Sentence (from "Hatfield–McCoy feud"): The Hatfields of West Virginia were led by William Anderson "Devil Anse" Hatfield while the McCoys of Kentucky were under the leadership of Randolph "Ole Ran'l" McCoy.
Relevant evidence: No