Question: Are both airports, El Reno Regional Airport and Chilhowee Gliderport, located in the same country?
Sentence (from "Chilhowee Gliderport"): Chilhowee Gliderport is a privately owned public- use glider airport located four nautical miles( 5 mi, 7 km) northeast of the central business district of Benton, in Polk County, Tennessee, United States.
Relevant evidence: Yes