Question: Goldfield Airport (FAA LID: 0L5) was a county owned, public use airport located 1 NM north of the central business district of Goldfield, an unincorporated community and the county seat of Esmeralda County, Nevada, in which country?
Sentence (from "Houghton County Memorial Airport"): In addition, Royale Air Service provides a seaplane service to Isle Royale National Park depending on traveler demand.
Relevant evidence: No