Question: the cells that surround an axon creating a myelin sheath in the pns are called
[{'answer': 'Schwann cells', 'provenance': [{'wikipedia_id': '19319', 'title': 'Myelin', 'start_paragraph_id': 1, 'start_character': 170, 'end_paragraph_id': 1, 'end_character': 183, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]