Question: What man born as Billy Powel leader of the Seminole in Florida, was of mix parentage including an ethnic group in Ireland, found mostly in the Ulster region and to a lesser extent in the rest of Ireland?
Sentence (from "Osceola"): Of mixed parentage, Creek, Scots-Irish, black, and English, he was raised as a Creek by his mother, as the tribe had a matrilineal kinship system.
Relevant evidence: No