Question: Are both Washington Dulles International Airport and Grand Canyon National Park Airport in the same state?
Sentence (from "Grand Canyon National Park Airport"): Grand Canyon National Park Airport (IATA: GCN, ICAO: KGCN, FAA LID: GCN) is a state-owned public-use airport located in Tusayan, a CDP in unincorporated Coconino County, Arizona, United States.
Relevant evidence: Yes