Question: when did the first confederate monument come down
[{'answer': 'August 2017', 'provenance': [{'wikipedia_id': '54925688', 'title': 'Removal of Confederate monuments and memorials', 'start_paragraph_id': 2, 'start_character': 231, 'end_paragraph_id': 2, 'end_character': 242, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '54925688', 'title': 'Removal of Confederate monuments and memorials', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 605, 'bleu_score': 0.8194575377820831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2867900485807576182}, 'section': 'Section::::Abstract.'}]}]