Question: what is the standard unit of data storage
[{'answer': 'byte', 'provenance': [{'wikipedia_id': '3365', 'title': 'Byte', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 8, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]