Question: when was captain america the winter soldier released
[{'answer': 'April 4 , 2014', 'provenance': [{'wikipedia_id': '36439749', 'title': 'Captain America: The Winter Soldier', 'start_paragraph_id': 59, 'start_character': 107, 'end_paragraph_id': 59, 'end_character': 121, 'bleu_score': 1.0, 'section': 'Section::::Release.:Theatrical.\n'}]}, {'provenance': [{'wikipedia_id': '36439749', 'title': 'Captain America: The Winter Soldier', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 454, 'bleu_score': 0.8394222719575071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6099071061796556113}, 'section': 'Section::::Abstract.'}]}]