Question: Seattle–Tacoma International Airport and Sitka Rocky Gutierrez Airport, are in which country's initials?
Sentence (from "Seattle–Tacoma International Airport"): Seattle–Tacoma International Airport (IATA: SEA, ICAO: KSEA, FAA LID: SEA) , also referred to as Sea–Tac Airport or Sea–Tac ( ), is the primary commercial airport serving the Seattle metropolitan area in the U.S. state of Washington.
Relevant evidence: Yes