Question: who did the minnesota vikings lose to in the super bowl
[{'answer': 'Kansas City Chiefs', 'provenance': [{'wikipedia_id': '2145410', 'title': 'List of Super Bowl champions', 'start_paragraph_id': 64, 'start_character': 12, 'end_paragraph_id': 64, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::Super Bowl appearances by team.:Teams with long Super Bowl droughts.\n'}]}, {'answer': 'Miami Dolphins', 'provenance': [{'wikipedia_id': '2145410', 'title': 'List of Super Bowl champions', 'start_paragraph_id': 3, 'start_character': 352, 'end_paragraph_id': 3, 'end_character': 366, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Pittsburgh Steelers', 'provenance': [{'wikipedia_id': '2145410', 'title': 'List of Super Bowl champions', 'start_paragraph_id': 3, 'start_character': 32, 'end_paragraph_id': 3, 'end_character': 51, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Oakland Raiders', 'provenance': [{'wikipedia_id': '2145410', 'title': 'List of Super Bowl champions', 'start_paragraph_id': 21, 'start_character': 168, 'end_paragraph_id': 21, 'end_character': 183, 'bleu_score': 1.0, 'section': 'Section::::Super Bowl championship (1966–present).:Consecutive wins.\n'}]}, {'provenance': [{'wikipedia_id': '2145410', 'title': 'List of Super Bowl champions', 'section': 'Section::::Abstract.', 'start_paragraph_id': 3, 'end_paragraph_id': 3, 'meta': {'evidence_span': ['The Miami Dolphins (19711973) and New England Patriots (20162018) are the only other teams to have at least three consecutive appearances. The Denver Broncos () and Patriots have each lost a record five Super Bowls. The Minnesota Vikings () and the Bills have lost four. The record for consecutive wins is two and is shared by seven franchises: the Green Bay Packers (19661967), the Miami Dolphins (19721973), the Pittsburgh Steelers (19741975 and 19781979, the only team to accomplish this feat twice and the only team with four wins in six consecutive seasons), the San Francisco 49ers (19881989), the Dallas Cowboys', 'the most consecutive appearances with four (all losses) from 1990 to 1993. The Miami Dolphins', 'The Minnesota Vikings () and the Bills have lost four. The record for consecutive wins is two and is shared by seven franchises: the Green Bay Packers (19661967), the Miami Dolphins (19721973), the Pittsburgh Steelers (19741975 and 19781979, the only team to accomplish this feat twice and the only team with four wins in six consecutive seasons)']}}]}, {'provenance': [{'wikipedia_id': '20134', 'title': 'Minnesota Vikings', 'section': 'Section::::History.:1960s.\n', 'start_paragraph_id': 12, 'end_paragraph_id': 12, 'meta': {'evidence_span': ['the heavily favored Vikings lost that game to the Kansas City Chiefs', 'The Vikings became the first modern NFL expansion team to win an NFL Championship Game, and earned a berth in Super Bowl IV; however, the heavily favored Vikings lost that game to the Kansas City Chiefs, 237.']}}]}]