Question: Which city in the county seat of Osage County the U.S. Route 60 serves?
Sentence (from "U.S. Route 60 in Oklahoma"): The highway crosses into the state from Texas west of Arnett and serves many towns and cities in the northern part of the state, including Arnett, Seiling, Fairview, Enid, Ponca City, Pawhuska, Bartlesville, and Vinita.
Relevant evidence: Yes