Question: What is the name of the battle fought in Montana, August 9–10, 1877, between the U.S. Army and the Nez Perce tribe of Native Americans during which Poker Joe served as trail boss and guide to the Nez Percé?
Sentence (from "Big Hole National Battlefield"): Big Hole National Battlefield preserves a Nez Perce War battlefield located in Montana, United States.
Relevant evidence: No