Question: where do the best sauvignon blanc wines come from
[{'answer': 'South Africa', 'provenance': [{'wikipedia_id': '170344', 'title': 'Sauvignon blanc', 'start_paragraph_id': 9, 'start_character': 172, 'end_paragraph_id': 9, 'end_character': 184, 'bleu_score': 1.0, 'section': 'Section::::Climate and geography.\n'}]}, {'answer': 'Chile', 'provenance': [{'wikipedia_id': '170344', 'title': 'Sauvignon blanc', 'start_paragraph_id': 6, 'start_character': 512, 'end_paragraph_id': 6, 'end_character': 517, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': 'New Zealand', 'provenance': [{'wikipedia_id': '170344', 'title': 'Sauvignon blanc', 'start_paragraph_id': 2, 'start_character': 134, 'end_paragraph_id': 2, 'end_character': 145, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'California', 'provenance': [{'wikipedia_id': '170344', 'title': 'Sauvignon blanc', 'start_paragraph_id': 7, 'start_character': 54, 'end_paragraph_id': 7, 'end_character': 64, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': 'Loire Valley', 'provenance': [{'wikipedia_id': '170344', 'title': 'Sauvignon blanc', 'start_paragraph_id': 2, 'start_character': 117, 'end_paragraph_id': 2, 'end_character': 129, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Bordeaux', 'provenance': [{'wikipedia_id': '170344', 'title': 'Sauvignon blanc', 'start_paragraph_id': 3, 'start_character': 381, 'end_paragraph_id': 3, 'end_character': 389, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Ukraine'}]