What artist has the most gold records?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q8', 'id': 0, 'label': 'happiness'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q1970746', 'id': 1, 'label': 'Explanatory Dictionary of the Living Great Russian Language'}, {'type': 'INTERNAL', 'name_': 'Q6173448', 'id': 2, 'label': 'Wikipedia:Vital articles/Level/4'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q639669', 'id': 3, 'label': 'musician'}, {'type': 'INTERNAL', 'name_': 'Q2986623', 'id': 4, 'label': 'Roton Music'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q521371', 'id': 5, 'label': 'gold record'}, {'type': 'INTERNAL', 'name_': 'Q1631', 'id': 6, 'label': 'Édith Piaf'}, {'type': 'INTERNAL', 'name_': 'Q24525154', 'id': 7, 'label': 'Anca Pop'}], 'links': [{'name_': 'P1343', 'source': 0, 'target': 1, 'label': 'described by source'}, {'name_': 'P5008', 'source': 0, 'target': 2, 'label': 'on focus list of Wikimedia project'}, {'name_': 'P1343', 'source': 3, 'target': 1, 'label': 'described by source'}, {'name_': 'P1027', 'source': 5, 'target': 4, 'label': 'conferred by'}, {'name_': 'P5008', 'source': 6, 'target': 2, 'label': 'on focus list of Wikimedia project'}, {'name_': 'P166', 'source': 6, 'target': 5, 'label': 'award received'}, {'name_': 'P106', 'source': 7, 'target': 3, 'label': 'occupation'}, {'name_': 'P264', 'source': 7, 'target': 4, 'label': 'record label'}]}