Who wrote the Grapes of Wrath?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q1860', 'id': 0, 'label': 'English'}, {'type': 'INTERNAL', 'name_': 'Q40874', 'id': 1, 'label': 'Doris Lessing'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q667661', 'id': 2, 'label': 'literary realism'}, {'type': 'INTERNAL', 'name_': 'Q201940', 'id': 3, 'label': 'Led Zeppelin IV'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q215983', 'id': 4, 'label': 'The Grapes of Wrath'}], 'links': [{'name_': 'P1412', 'source': 1, 'target': 0, 'label': 'languages spoken, written or signed'}, {'name_': 'P135', 'source': 1, 'target': 2, 'label': 'movement'}, {'name_': 'P407', 'source': 3, 'target': 0, 'label': 'language of work or name'}, {'name_': 'P737', 'source': 3, 'target': 4, 'label': 'influenced by'}]}