Question: where did the sons of liberty hold their meetings
[{'answer': 'The tree', 'provenance': [{'wikipedia_id': '2447096', 'title': 'Liberty Tree', 'start_paragraph_id': 1, 'start_character': 243, 'end_paragraph_id': 1, 'end_character': 251, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2447096', 'title': 'Liberty Tree', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 501, 'bleu_score': 0.9768747032089851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18443445828514567639}, 'section': 'Section::::History.:Stamp Act protests.\n'}]}]