Question: how much is a piece of eight worth
[{'answer': 'eight Spanish reales', 'provenance': [{'wikipedia_id': '309769', 'title': 'Spanish dollar', 'start_paragraph_id': 1, 'start_character': 123, 'end_paragraph_id': 1, 'end_character': 143, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '309769', 'title': 'Spanish dollar', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 194, 'bleu_score': 0.549883240704226, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2923048701792642148}, 'section': 'Section::::Abstract.'}]}]