Question: where is most wheat grown in the us
[{'answer': 'Kansas', 'provenance': [{'wikipedia_id': '39630024', 'title': 'Wheat production in the United States', 'start_paragraph_id': 2, 'start_character': 348, 'end_paragraph_id': 2, 'end_character': 354, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '39630024', 'title': 'Wheat production in the United States', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 594, 'bleu_score': 0.9806740509884301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1258619573124464163}, 'section': 'Section::::Abstract.'}]}]