Question: who was buried at the african burial ground
[{'answer': 'more than 419 Africans', 'provenance': [{'wikipedia_id': '1939171', 'title': 'African Burial Ground National Monument', 'start_paragraph_id': 1, 'start_character': 278, 'end_paragraph_id': 1, 'end_character': 300, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1939171', 'title': 'African Burial Ground National Monument', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 893, 'bleu_score': 0.9451426963060621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5513554559884185924}, 'section': 'Section::::Abstract.'}]}]