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 "Okchai"): They formed part of the former Creek (Muscogee) Confederacy in Alabama, prior to their removal during the 1830s to the Indian Territory.
Relevant evidence: Yes