Question: where are the flint hills located in kansas
[{'answer': 'eastern Kansas', 'provenance': [{'wikipedia_id': '1483059', 'title': 'Flint Hills', 'start_paragraph_id': 1, 'start_character': 93, 'end_paragraph_id': 1, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1483059', 'title': 'Flint Hills', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 571, 'bleu_score': 0.9536330554540541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7714542083832155078}, 'section': 'Section::::Abstract.'}]}]