Question: The Airport Transit System (ATS) is an automated people mover system at Chicago O'Hare International Airport that was built by Mécanique Aviation Traction and began its operation when?
Sentence (from "Matra"): Mécanique Aviation Traction or Matra ("M"écanique "A"viation "TRA"ction) was a French company covering a wide range of activities mainly related to automobiles, bicycles, aeronautics and weaponry.
Relevant evidence: Yes