Who was a senator from Kentucky and ran in the 2016 Republican Primaries?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q29468', 'id': 0, 'label': 'Republican Party'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q1603', 'id': 1, 'label': 'Kentucky'}, {'type': 'INTERNAL', 'name_': 'Q15257', 'id': 2, 'label': 'Ron Paul'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q463557', 'id': 3, 'label': 'Rand Paul'}, {'type': 'INTERNAL', 'name_': 'Q3432091', 'id': 4, 'label': '2010 United States Senate election in Kentucky'}], 'links': [{'name_': 'P102', 'source': 2, 'target': 0, 'label': 'member of political party'}, {'name_': 'P40', 'source': 2, 'target': 3, 'label': 'child'}, {'name_': 'P1001', 'source': 4, 'target': 1, 'label': 'applies to jurisdiction'}, {'name_': 'P991', 'source': 4, 'target': 3, 'label': 'successful candidate'}]}