Question: what is the c for on football jerseys
[{'answer': 'team captain', 'provenance': [{'wikipedia_id': '19850127', 'title': 'National Football League team captains', 'start_paragraph_id': 0, 'start_character': 25, 'end_paragraph_id': 0, 'end_character': 37, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19850127', 'title': 'National Football League team captains', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 821, 'bleu_score': 0.969191309144216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17098346556617608020}, 'section': 'Section::::Abstract.'}]}]