Question: John W. Sidgmore, became the Chief Executive Officer of UUNET Technologies in June 1994, Sidgmore worked to revive WorldCom after disgraced CEO Bernard Ebbers, a Canadian businessman, that co-founded which telecommunications company?
{'answer': 'WorldCom', 'supporting_facts': [['John W. Sidgmore', 3], ['Bernard Ebbers', 1]]}