Question: when did the redskins win the super bowl
[{'answer': 'XVII', 'provenance': [{'wikipedia_id': '33673', 'title': 'Washington Redskins', 'start_paragraph_id': 3, 'start_character': 264, 'end_paragraph_id': 3, 'end_character': 268, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'XXII', 'provenance': [{'wikipedia_id': '33673', 'title': 'Washington Redskins', 'start_paragraph_id': 3, 'start_character': 270, 'end_paragraph_id': 3, 'end_character': 274, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'XXVI', 'provenance': [{'wikipedia_id': '33673', 'title': 'Washington Redskins', 'start_paragraph_id': 3, 'start_character': 280, 'end_paragraph_id': 3, 'end_character': 284, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '33673', 'title': 'Washington Redskins', 'start_paragraph_id': 3, 'start_character': 47, 'end_paragraph_id': 3, 'end_character': 751, 'bleu_score': 0.5615701171195581, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4184862755253321137}, 'section': 'Section::::Abstract.'}]}]