Question: when was the sword in the stone written
[{'answer': '1938', 'provenance': [{'wikipedia_id': '8272775', 'title': 'The Sword in the Stone', 'start_paragraph_id': 3, 'start_character': 48, 'end_paragraph_id': 3, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8272775', 'title': 'The Sword in the Stone', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 73, 'bleu_score': 0.596877417563449, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18063230744148622113}, 'section': 'Section::::Abstract.'}]}]