Question: who is the enemy in captain america civil war
[{'answer': 'Helmut Zemo', 'provenance': [{'wikipedia_id': '41974496', 'title': 'Captain America: Civil War', 'start_paragraph_id': 6, 'start_character': 405, 'end_paragraph_id': 6, 'end_character': 416, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '41974496', 'title': 'Captain America: Civil War', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 1078, 'bleu_score': 0.9654445137227181, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10368401001719070984}, 'section': 'Section::::Plot.\n'}]}]