Question: Okchai are a Muscogee tribe, they formed part of the former Creek (Muscogee) Confederacy in which U.S. state, prior to the Indian removal, during the 1830s to the Indian Territory?
Sentence (from "Coyaha people"): The Coyaha people, sometimes known as the Yuchi, (also spelled Euchee and Uchee), are people of a Native American tribe who traditionally lived in the eastern Tennessee River valley in Tennessee in the 16th century.
Relevant evidence: No