Question: is the nissan gtr a v6 or v8
[{'answer': 'V6', 'provenance': [{'wikipedia_id': '9590148', 'title': 'Nissan GT-R', 'start_paragraph_id': 4, 'start_character': 375, 'end_paragraph_id': 4, 'end_character': 377, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]