Question: measurement system whose divisions are powers of ten
[{'answer': 'the metric system', 'provenance': [{'wikipedia_id': '44142', 'title': 'Metric system', 'start_paragraph_id': 4, 'start_character': 13, 'end_paragraph_id': 4, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]