Question: when was the first internal combustion engine created
[{'answer': '1794', 'provenance': [{'wikipedia_id': '18859390', 'title': 'History of the internal combustion engine', 'start_paragraph_id': 1, 'start_character': 141, 'end_paragraph_id': 1, 'end_character': 145, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18859390', 'title': 'History of the internal combustion engine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 880, 'bleu_score': 0.957017551590667, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4221397356299831937}, 'section': 'Section::::Abstract.'}]}]