Question: who is the author of the legend of sleepy hollow
[{'answer': 'Washington Irving', 'provenance': [{'wikipedia_id': '84791', 'title': 'The Legend of Sleepy Hollow', 'start_paragraph_id': 1, 'start_character': 67, 'end_paragraph_id': 1, 'end_character': 84, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '84791', 'title': 'The Legend of Sleepy Hollow', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 642, 'bleu_score': 0.9028526353147621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17420387853958238246}, 'section': 'Section::::Abstract.'}]}]