Question: what kind of engine is in a bugatti
[{'answer': 'W16 engines', 'provenance': [{'wikipedia_id': '874404', 'title': 'W16 engine', 'start_paragraph_id': 1, 'start_character': 128, 'end_paragraph_id': 1, 'end_character': 139, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '874404', 'title': 'W16 engine', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 590, 'bleu_score': 0.8985154942681671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11296264935807694704}, 'section': 'Section::::Abstract.'}]}]