Question: what is the scientific name of vitamin b6
[{'answer': 'pyridoxine', 'provenance': [{'wikipedia_id': '457926', 'title': 'B vitamins', 'start_paragraph_id': 8, 'start_character': 167, 'end_paragraph_id': 8, 'end_character': 177, 'bleu_score': 1.0, 'section': 'Section::::Side effects.\n'}]}, {'answer': 'pyridoxal'}, {'answer': 'pyridoxamine'}]