Question: Richard Jason Satawk "R. J." Harris, is a United States Army National Guard warrant officer, politician, law student and former Air Traffic Controller, in 2010, he unsuccessfully challenged which incumbent Republican, for the Republican Party nomination in the primary election for Oklahoma's 4th congressional district?
Sentence (from "Mike Huckleberry"): He represented the 70th House District, which includes all of Montcalm County and a portion of North-west Ionia County including the city of Ionia.
Relevant evidence: No