Question: when was the first gasoline-powered american automobile made
[{'answer': 'September 20 , 1893'}, {'provenance': [{'wikipedia_id': '1284093', 'title': 'Charles Duryea', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 644, 'bleu_score': 0.8670764965030471, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2124799371041508815}, 'section': 'Section::::Biography.:Tests of the first, gasoline-powered automobile.\n'}]}]