Question: where is the engine located in a smart car
[{'answer': 'rear - engine', 'provenance': [{'wikipedia_id': '4350617', 'title': 'Smart Fortwo', 'start_paragraph_id': 115, 'start_character': 329, 'end_paragraph_id': 115, 'end_character': 344, 'bleu_score': 1.0, 'section': 'Section::::Chinese copy controversy.\n'}]}, {'provenance': [{'wikipedia_id': '4350617', 'title': 'Smart Fortwo', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 220, 'bleu_score': 0.546711140776952, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1636148403477824372}, 'section': 'Section::::Abstract.'}]}]