Question: Japan Airlines Co., Ltd. (JAL), is the flag carrier airline of Japan and the second largest in the country behind All Nippon Airways, JAL group companies include which regional commuter airline with its headquarters in the Terminal Building in Nagoya Airfield and in Toyoyama, Nishikasugai District, Aichi, Japan and its main hub at Nagoya Airfield?
Sentence (from "J-Air"): Its operations include scheduled passenger services to 16 destinations across regional Japan, under Japan Airlines' flight numbers.
Relevant evidence: No