Question: Who owns Shangdong Airlines which operates mainly domestic trunk routes and whose focus city is Qingdao in Shandong Province, China?
{'answer': 'Air China', 'supporting_facts': [['Qingdao Liuting International Airport', 0], ['Qingdao Liuting International Airport', 2], ['Shandong Airlines', 0], ['Shandong Airlines', 3]]}