Question: how many chests of tea were dumped in the boston harbor
[{'answer': '342', 'provenance': [{'wikipedia_id': '4608353', 'title': 'Boston Tea Party', 'start_paragraph_id': 33, 'start_character': 160, 'end_paragraph_id': 33, 'end_character': 163, 'bleu_score': 1.0, 'section': 'Section::::Destruction of the Tea.\n'}]}, {'provenance': [{'wikipedia_id': '4608353', 'title': 'Boston Tea Party', 'start_paragraph_id': 33, 'start_character': 0, 'end_paragraph_id': 33, 'end_character': 391, 'bleu_score': 0.9716239638199891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8533612631528642351}, 'section': 'Section::::Destruction of the Tea.\n'}]}]