Question: where is wind power used most in the united states
[{'answer': 'Texas', 'provenance': [{'wikipedia_id': '10717709', 'title': 'Wind power in the United States', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 5, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Iowa', 'provenance': [{'wikipedia_id': '10717709', 'title': 'Wind power in the United States', 'start_paragraph_id': 8, 'start_character': 73, 'end_paragraph_id': 8, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the central plains', 'provenance': [{'wikipedia_id': '10717709', 'title': 'Wind power in the United States', 'start_paragraph_id': 41, 'start_character': 109, 'end_paragraph_id': 41, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::Wind power by state.\n'}]}, {'provenance': [{'wikipedia_id': '10717709', 'title': 'Wind power in the United States', 'start_paragraph_id': 41, 'start_character': 0, 'end_paragraph_id': 41, 'end_character': 285, 'bleu_score': 0.955027111100031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8810170146068929950}, 'section': 'Section::::Wind power by state.\n'}]}, {'provenance': [{'wikipedia_id': '11335178', 'title': 'Wind power in California', 'section': 'Section::::Growth.\n', 'start_paragraph_id': 8, 'end_paragraph_id': 8, 'meta': {'evidence_span': ['After leading the country for many years, California now ranks fourth nationwide in terms of capacity, behind Texas, Iowa, and Oklahoma.', 'After leading the country for many years, California now ranks fourth nationwide in terms of capacity, behind Texas, Iowa, and Oklahoma', "% of California's total electricity needs in 2017. In 2011, 921.3 megawatts of new production was installed. Most of that activity occurred in the Tehachapi area of Kern County, with some big projects in Solano, Contra Costa and Riverside counties as well. After leading the country for many years, California now ranks fourth nationwide in terms of capacity, behind Texas, Iowa, and Oklahoma. Due to higher average winds in the plains area of the U.S., California ranks fifth in wind generation. In January 2018, the"]}}]}]