Question: What Native American Tribe indigenous of the Great Plains had two chiefs named Satanta and Big Tree?
Sentence (from "Warren Wagon Train raid"): In the end, notwithstanding the intervention of Guipago (Lone Wolf), well equipped with loaded rifles and revolvers and ready to fight, 3 of the war leaders involved were arrested at Fort Sill: Satanta (White Bear), Satank (Sitting Bear), and Ado-ete (Big Tree).
Relevant evidence: No