Which NBA team is from Boston?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q408', 'id': 0, 'label': 'Australia'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q100', 'id': 1, 'label': 'Boston'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q155223', 'id': 2, 'label': 'National Basketball Association'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q1919098', 'id': 3, 'label': 'City of Melbourne'}, {'type': 'INTERNAL', 'name_': 'Q131371', 'id': 4, 'label': 'Boston Celtics'}, {'type': 'INTERNAL', 'name_': 'Q363409', 'id': 5, 'label': 'David Andersen'}], 'links': [{'name_': 'P17', 'source': 0, 'target': 0, 'label': 'country'}, {'name_': 'P17', 'source': 3, 'target': 0, 'label': 'country'}, {'name_': 'P190', 'source': 3, 'target': 1, 'label': 'twinned administrative body'}, {'name_': 'P159', 'source': 4, 'target': 1, 'label': 'headquarters location'}, {'name_': 'P118', 'source': 4, 'target': 2, 'label': 'league'}, {'name_': 'P27', 'source': 5, 'target': 0, 'label': 'country of citizenship'}, {'name_': 'P118', 'source': 5, 'target': 2, 'label': 'league'}]}