Question: who did the raiders beat in the super bowl
[{'answer': 'Minnesota Vikings', 'provenance': [{'wikipedia_id': '22312', 'title': 'Oakland Raiders', 'start_paragraph_id': 33, 'start_character': 888, 'end_paragraph_id': 33, 'end_character': 905, 'bleu_score': 1.0, 'section': 'Section::::History.:Super Bowl XI.\n'}]}, {'answer': 'Philadelphia Eagles', 'provenance': [{'wikipedia_id': '22312', 'title': 'Oakland Raiders', 'start_paragraph_id': 38, 'start_character': 806, 'end_paragraph_id': 38, 'end_character': 825, 'bleu_score': 1.0, 'section': 'Section::::History.:Super Bowl XI.:Tom Flores.\n'}]}, {'answer': 'Washington Redskins', 'provenance': [{'wikipedia_id': '22312', 'title': 'Oakland Raiders', 'start_paragraph_id': 8, 'start_character': 463, 'end_paragraph_id': 8, 'end_character': 482, 'bleu_score': 1.0, 'section': 'Section::::History.:Early years.\n'}]}]