Question: how many companies are there in volkswagen group
[{'answer': 'approximately 342 subsidiary companies', 'provenance': [{'wikipedia_id': '32652', 'title': 'Volkswagen Group', 'start_paragraph_id': 2, 'start_character': 420, 'end_paragraph_id': 2, 'end_character': 458, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]