Question: Air Nostrum, Líneas Aéreas del Mediterráneo, S.A., also known as Iberia Regional, is a regional airline based in Valencia, Spain, Iberia Regional franchise is a regional partner of Iberia and an affiliate member of Oneworld, an airline alliance, founded on which date?
{'answer': '1 February 1999', 'supporting_facts': [['Air Nostrum', 2], ['Oneworld', 0]]}