Question: Are both airports, Big Whale Cay Airport and Conchas Lake Seaplane Base, located in the same country?
Sentence (from "Conchas Lake Seaplane Base"): Conchas Lake Seaplane Base is a public use seaplane base located two nautical miles (4 km) southwest of the central business district of Conchas Dam, in San Miguel County, New Mexico, United States.
Relevant evidence: Yes