Question: when was the last time a team played the superbowl at home
[{'answer': '2017', 'provenance': [{'wikipedia_id': '17005017', 'title': 'Super Bowl curse', 'start_paragraph_id': 4, 'start_character': 315, 'end_paragraph_id': 4, 'end_character': 319, 'bleu_score': 1.0, 'section': 'Section::::The Home Field Advantage Curse.\n'}]}, {'provenance': [{'wikipedia_id': '17005017', 'title': 'Super Bowl curse', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 919, 'bleu_score': 0.9048064591134901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4757761144016047649}, 'section': 'Section::::The Home Field Advantage Curse.\n'}]}]