Question: which us state has the highest sales tax
[{'answer': 'California', 'provenance': [{'wikipedia_id': '2502077', 'title': 'Sales taxes in the United States', 'start_paragraph_id': 2, 'start_character': 110, 'end_paragraph_id': 2, 'end_character': 120, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]