Question: when did the boston tea party start and end
[{'answer': 'December 16 , 1773', 'provenance': [{'wikipedia_id': '4608353', 'title': 'Boston Tea Party', 'start_paragraph_id': 1, 'start_character': 112, 'end_paragraph_id': 1, 'end_character': 130, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4608353', 'title': 'Boston Tea Party', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 383, 'bleu_score': 0.528877480359866, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12388864787306091493}, 'section': 'Section::::Abstract.'}]}]