Question: What is the nickname of the former head football coach of a federally operated tribal university located in Kansas?
Sentence (from "William Henry Dietz"): He served as the head football coach at Washington State University (1915–1917), Purdue University (1921), Louisiana Tech University (1922–1923), University of Wyoming (1924–1926), Haskell Institute—now Haskell Indian Nations University (1929–1932), and Albright College (1937–1942).
Relevant evidence: Yes