Question: Both Tri-State Airport and Rochester International Airport are located in which country?
Sentence (from "Rochester International Airport"): Rochester International Airport (IATA: RST, ICAO: KRST, FAA LID: RST) is a nonhub primary airport located seven miles (11 km) southwest of the central business district of Rochester, a city in Olmsted County, Minnesota, United States.
Relevant evidence: Yes