Who was the ambassador to the United Nations Economic and Social Council under Ronald Reagan who ran and lost three presidential races?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q30', 'id': 0, 'label': 'United States of America'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q170075', 'id': 1, 'label': 'United Nations Economic and Social Council'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q9960', 'id': 2, 'label': 'Ronald Reagan'}, {'type': 'INTERNAL', 'name_': 'Q16781948', 'id': 3, 'label': 'SAG-AFTRA'}, {'type': 'INTERNAL', 'name_': 'Q16995240', 'id': 4, 'label': 'International Union for Land Value Taxation'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q1141037', 'id': 5, 'label': 'Screen Actors Guild'}], 'links': [{'name_': 'P17', 'source': 0, 'target': 0, 'label': 'country'}, {'name_': 'P6', 'source': 0, 'target': 2, 'label': 'head of government'}, {'name_': 'P27', 'source': 2, 'target': 0, 'label': 'country of citizenship'}, {'name_': 'P17', 'source': 3, 'target': 0, 'label': 'country'}, {'name_': 'P1365', 'source': 3, 'target': 5, 'label': 'replaces'}, {'name_': 'P17', 'source': 4, 'target': 0, 'label': 'country'}, {'name_': 'P2652', 'source': 4, 'target': 1, 'label': 'partnership with'}]}