Question: who is the super hero at the end of black panther
[{'answer': 'Bucky Barnes', 'provenance': [{'wikipedia_id': '41677925', 'title': 'Black Panther (film)', 'start_paragraph_id': 11, 'start_character': 255, 'end_paragraph_id': 11, 'end_character': 267, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '41677925', 'title': 'Black Panther (film)', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 289, 'bleu_score': 0.8530916787014361, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9811864210319606583}, 'section': 'Section::::Plot.\n'}]}]