Question: The Aerotrain is an automated transport network that moves people around the main international airport of which Asian country?
Sentence (from "Kuala Lumpur International Airport"): Built at a cost of US$3.5 billion in Sepang district of Selangor, it is located approximately 45 km south of Kuala Lumpur city centre and serves the Greater Klang Valley conurbation.
Relevant evidence: No