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 "Tom Cole"): The chairman of the National Republican Congressional Committee (NRCC) from 2006 to 2008, he was, during his tenure, the fourth-ranking Republican leader in the House.
Relevant evidence: No