Question: when did the marvel black panther come out
[{'answer': 'July 1966', 'provenance': [{'wikipedia_id': '1083841', 'title': 'Black Panther (comics)', 'start_paragraph_id': 1, 'start_character': 236, 'end_paragraph_id': 1, 'end_character': 245, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1083841', 'title': 'Black Panther (comics)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 699, 'bleu_score': 0.942114089339342, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4185770746013502970}, 'section': 'Section::::Abstract.'}]}]