Question: what's the biggest fair in the united states
[{'answer': 'Minnesota State Fair', 'provenance': [{'wikipedia_id': '920679', 'title': 'Minnesota State Fair', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '920679', 'title': 'Minnesota State Fair', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1135, 'bleu_score': 0.989924111967827, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8914877494948890212}, 'section': 'Section::::Abstract.'}]}]