Question: when was thirteen ways of looking at a blackbird written
[{'answer': 'October 1917', 'provenance': [{'wikipedia_id': '14785740', 'title': 'Thirteen Ways of Looking at a Blackbird', 'start_paragraph_id': 1, 'start_character': 331, 'end_paragraph_id': 1, 'end_character': 343, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14785740', 'title': 'Thirteen Ways of Looking at a Blackbird', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 452, 'bleu_score': 0.8415191860286231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8876775618876292630}, 'section': 'Section::::Abstract.'}]}]