Question: Whicn airport, Tri-Cities Airport or Montrose Regional Airport, is a non-towered public airport on the northwest side of Montrose?
Sentence (from "Tri-Cities Airport (Washington)"): Tri-Cities Airport (IATA: PSC, ICAO: KPSC, FAA LID: PSC) is a public airport 2 miles (3 km) northwest of Pasco, in Franklin County, Washington, USA.
Relevant evidence: Yes