Question: In what year was the band who did the song "Doc Holliday" formed?
Sentence (from "O.K. Corral hearing and aftermath"): During that confrontation, Deputy U.S. Marshal and Tombstone Town Marshal Virgil Earp, Assistant Town Marshal Morgan Earp, and temporary deputy marshals Wyatt Earp and Doc Holliday shot and killed Billy Clanton, and Tom and Frank McLaury.
Relevant evidence: No