Question: Sequoyah Bay State Park is on the western shore of Fort Gibson Lake in Wagoner County, Oklahoma, it offers several campgrounds, each named for a notable chief of the Five Civilized Tribes, include Chief Osceola, born as Billy Powell, became an influential leader of the Seminole, in which state?
Sentence (from "Sequoyah Bay State Park"): These include: Chief Attacullaculla, Cherokee; Chief Pushmataha, Choctaw; Chief Osceola, Seminole; Chief Opothleyahola, Creek; and Chief Payamataha, Chickasaw.
Relevant evidence: Yes