What is the capital of the only state whose flag doesn't have 4 edges?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q3181656', 'id': 0, 'label': 'The Nuttall Encyclopædia'}, {'type': 'INTERNAL', 'name_': 'Q163', 'id': 1, 'label': 'Yorkshire'}, {'type': 'INTERNAL', 'name_': 'Q771', 'id': 2, 'label': 'Massachusetts'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q35657', 'id': 3, 'label': 'state of the United States'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q14660', 'id': 4, 'label': 'flag'}], 'links': [{'name_': 'P1343', 'source': 1, 'target': 0, 'label': 'described by source'}, {'name_': 'P1343', 'source': 2, 'target': 0, 'label': 'described by source'}, {'name_': 'P31', 'source': 2, 'target': 3, 'label': 'instance of'}, {'name_': 'P1687', 'source': 4, 'target': 1, 'label': 'Wikidata property'}]}