Question: In 2010 Richard Jason Satawk "R. J." Harris unsuccessfully challenged a member of what nation for the Republican Party nomination in the primary election for Oklahoma's 4th congressional district?
Sentence (from "R. J. Harris"): Richard Jason Satawk "R. J." Harris (born November 16, 1972) is a United States Army National Guard warrant officer, politician, law student and former Air Traffic Controller.
Relevant evidence: Yes