Question: What size is the airport at which Wamos Air has its main base ?
Sentence (from "Adolfo Suárez Madrid–Barajas Airport"): Adolfo Suárez Madrid–Barajas Airport (Spanish: "Aeropuerto Adolfo Suárez Madrid-Barajas" ] ) (IATA: MAD, ICAO: LEMD) , commonly known as Madrid–Barajas Airport, is the main international airport serving Madrid in Spain.
Relevant evidence: No