Question: Dewey Beard or Wasú Máza is often mistaken by historians for a star performer with what?
Sentence (from "Iron Tail"): Iron Tail (Oglala Lakota: "Siŋté Máza" in Standard Lakota Orthography) (1842-May 29, 1916) was an Oglala Lakota Chief and a star performer with Buffalo Bill’s Wild West.
Relevant evidence: Yes