Question: Which airport is a public airport Tri-Cities Regional Airport or San Angelo Regional Airport?
Sentence (from "Tri-Cities Regional Airport"): Tri-Cities Airport (IATA: TRI, ICAO: KTRI, FAA LID: TRI) (also known as Tri-Cities Airport, TN/VA), is in Blountville, Tennessee and serves the Tri-Cities area (Bristol, Kingsport, Johnson City) of Northeast Tennessee and Southwest Virginia.
Relevant evidence: No