Question: where can oil be found in the united states
[{'answer': 'Texas', 'provenance': [{'wikipedia_id': '19086358', 'title': 'Petroleum in the United States', 'start_paragraph_id': 1, 'start_character': 429, 'end_paragraph_id': 1, 'end_character': 434, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'North Dakota', 'provenance': [{'wikipedia_id': '19086358', 'title': 'Petroleum in the United States', 'start_paragraph_id': 1, 'start_character': 522, 'end_paragraph_id': 1, 'end_character': 534, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Montana'}, {'answer': 'Alaska'}, {'answer': 'Colorado'}, {'answer': 'Federal Gulf of Mexico'}, {'answer': 'California', 'provenance': [{'wikipedia_id': '19086358', 'title': 'Petroleum in the United States', 'start_paragraph_id': 1, 'start_character': 550, 'end_paragraph_id': 1, 'end_character': 560, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]