Question: what is the meaning of v6 in cars
[{'answer': 'V engine with six cylinders', 'provenance': [{'wikipedia_id': '32695', 'title': 'V6 engine', 'start_paragraph_id': 1, 'start_character': 17, 'end_paragraph_id': 1, 'end_character': 44, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '32695', 'title': 'V6 engine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 409, 'bleu_score': 0.7310892754539521, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14402656552712818057}, 'section': 'Section::::Abstract.'}]}]