Question: when did the first black lawyer in america receive his license
[{'answer': 'Macon Bolling Allen', 'provenance': [{'wikipedia_id': '10333208', 'title': 'Macon Bolling Allen', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10333208', 'title': 'Macon Bolling Allen', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 565, 'bleu_score': 0.979896933041101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14604063138521758593}, 'section': 'Section::::Abstract.'}]}]