Question: when was the first oil well drilled in the united states
[{'answer': '1858', 'provenance': [{'wikipedia_id': '13294', 'title': 'History of the petroleum industry in the United States', 'start_paragraph_id': 1, 'start_character': 98, 'end_paragraph_id': 1, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13294', 'title': 'History of the petroleum industry in the United States', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 164, 'bleu_score': 0.9271474438253491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5298663458471256628}, 'section': 'Section::::Abstract.'}]}]