Question: what is most of the land on the great plains dedicated to
[{'answer': 'cattle ranching and dry farming', 'provenance': [{'wikipedia_id': '51464', 'title': 'Great Plains', 'start_paragraph_id': 5, 'start_character': 45, 'end_paragraph_id': 5, 'end_character': 76, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '51464', 'title': 'Great Plains', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 76, 'bleu_score': 0.8385766789076251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10459691803980810872}, 'section': 'Section::::Abstract.'}]}]