Question: when was the first captain america comic released
[{'answer': 'March 1941', 'provenance': [{'wikipedia_id': '7729', 'title': 'Captain America', 'start_paragraph_id': 1, 'start_character': 225, 'end_paragraph_id': 1, 'end_character': 235, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7729', 'title': 'Captain America', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 715, 'bleu_score': 0.9598415906376221, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8677877173281125398}, 'section': 'Section::::Abstract.'}]}]