Question: when did the first lord of the rings book come out
[{'answer': '1937', 'provenance': [{'wikipedia_id': '29798', 'title': 'The Lord of the Rings', 'start_paragraph_id': 1, 'start_character': 149, 'end_paragraph_id': 1, 'end_character': 153, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '29798', 'title': 'The Lord of the Rings', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 378, 'bleu_score': 0.9338603241255111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9088866133969073156}, 'section': 'Section::::Abstract.'}]}]