Question: when were the monuments in new orleans built
[{'answer': '1884 ,', 'provenance': [{'wikipedia_id': '21615306', 'title': 'Robert E. Lee Monument (New Orleans, Louisiana)', 'start_paragraph_id': 3, 'start_character': 30, 'end_paragraph_id': 3, 'end_character': 38, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '21615306', 'title': 'Robert E. Lee Monument (New Orleans, Louisiana)', 'start_paragraph_id': 3, 'start_character': 4, 'end_paragraph_id': 3, 'end_character': 863, 'bleu_score': 0.9184363501001821, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4000659784476759576}, 'section': 'Section::::History.\n'}]}]