Question: who went to sea with silver buckles on his knee
[{'answer': 'Bobby Shafto', 'provenance': [{'wikipedia_id': '22418652', 'title': "Bobby Shafto's Gone to Sea", 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]