Question: who was responsible for discovering the rabies vaccine
[{'answer': 'Louis Pasteur', 'provenance': [{'wikipedia_id': '16179834', 'title': 'Rabies vaccine', 'start_paragraph_id': 12, 'start_character': 84, 'end_paragraph_id': 12, 'end_character': 97, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': 'Émile Roux', 'provenance': [{'wikipedia_id': '16179834', 'title': 'Rabies vaccine', 'start_paragraph_id': 12, 'start_character': 102, 'end_paragraph_id': 12, 'end_character': 112, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '16179834', 'title': 'Rabies vaccine', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 297, 'bleu_score': 0.8944264839442451, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1983730936403895841}, 'section': 'Section::::History.\n'}]}]