Question: who took the sword out of the stone
[{'answer': 'Arthur', 'provenance': [{'wikipedia_id': '9717', 'title': 'Excalibur', 'start_paragraph_id': 1, 'start_character': 44, 'end_paragraph_id': 1, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9717', 'title': 'Excalibur', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 711, 'bleu_score': 0.5437465637391791, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17213286816081407354}, 'section': 'Section::::Excalibur and the Sword in the Stone.\n'}]}]