Question: AutoTrader.co.za is a site for the company that was once a subsidiary of the company that was founded by whom?
Sentence (from "Keio Dentetsu Bus"): The operating area of a general bus on a regular route is mainly the Tokyo Tama area and if the management commission route to each subsidiary company is included, the operating area is reached mostly whole region along all areas along the Keio railroad lines.
Relevant evidence: No