The vocalist for Nirvana was born in what city?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q30', 'id': 0, 'label': 'United States of America'}, {'type': 'INTERNAL', 'name_': 'Q11399', 'id': 1, 'label': 'rock music'}, {'type': 'INTERNAL', 'name_': 'Q299355', 'id': 2, 'label': 'Bryan Danielson'}, {'type': 'INTERNAL', 'name_': 'Q22151', 'id': 3, 'label': 'Muse'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q233808', 'id': 4, 'label': 'Aberdeen'}, {'type': 'INTERNAL', 'name_': 'Q1542129', 'id': 5, 'label': 'Grammy Award for Best Alternative Music Album'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q11649', 'id': 6, 'label': 'Nirvana'}, {'type': 'INTERNAL', 'name_': 'Q132506', 'id': 7, 'label': 'Patrick Simmons'}], 'links': [{'name_': 'P17', 'source': 0, 'target': 0, 'label': 'country'}, {'name_': 'P27', 'source': 2, 'target': 0, 'label': 'country of citizenship'}, {'name_': 'P19', 'source': 2, 'target': 4, 'label': 'place of birth'}, {'name_': 'P136', 'source': 3, 'target': 1, 'label': 'genre'}, {'name_': 'P737', 'source': 3, 'target': 6, 'label': 'influenced by'}, {'name_': 'P17', 'source': 5, 'target': 0, 'label': 'country'}, {'name_': 'P1346', 'source': 5, 'target': 6, 'label': 'winner'}, {'name_': 'P27', 'source': 7, 'target': 0, 'label': 'country of citizenship'}, {'name_': 'P136', 'source': 7, 'target': 1, 'label': 'genre'}, {'name_': 'P19', 'source': 7, 'target': 4, 'label': 'place of birth'}]}