Question: Which Midwestern Native American tribe, who settled near the confluence of the Missouri and the Mississippi rivers, is represented by mascot Chief Big Track at Arkansas State University?
Sentence (from "Osage Nation"): The Osage Nation ( ) ("Ni-u-kon-ska", "People of the Middle Waters") is a Midwestern Native American tribe of the Great Plains who historically dominated much of present-day Missouri, Arkansas, Kansas, and Oklahoma.
Relevant evidence: Yes