What artist has the most gold records?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q639669', 'id': 0, 'label': 'musician'}, {'type': 'INTERNAL', 'name_': 'Q158852', 'id': 1, 'label': 'conductor'}, {'type': 'INTERNAL', 'name_': 'Q2986623', 'id': 2, 'label': 'Roton Music'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q521371', 'id': 3, 'label': 'gold record'}, {'type': 'INTERNAL', 'name_': 'Q1729367', 'id': 4, 'label': 'Karim Sebastian Elias'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q5616161', 'id': 5, 'label': 'Template:Infobox musical artist'}, {'type': 'INTERNAL', 'name_': 'Q24525154', 'id': 6, 'label': 'Anca Pop'}], 'links': [{'name_': 'P1424', 'source': 0, 'target': 5, 'label': "topic's main template"}, {'name_': 'P279', 'source': 1, 'target': 0, 'label': 'subclass of'}, {'name_': 'P1027', 'source': 3, 'target': 2, 'label': 'conferred by'}, {'name_': 'P106', 'source': 4, 'target': 1, 'label': 'occupation'}, {'name_': 'P166', 'source': 4, 'target': 3, 'label': 'award received'}, {'name_': 'P1423', 'source': 5, 'target': 0, 'label': 'template has topic'}, {'name_': 'P106', 'source': 6, 'target': 0, 'label': 'occupation'}, {'name_': 'P264', 'source': 6, 'target': 2, 'label': 'record label'}]}