Question: when did black panther come out in marvel
[{'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': 0.981898582188057, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14338693700674498911}, 'section': 'Section::::Abstract.'}]}]