Question: starting with r what is the indonesian monetary unit called
[{'answer': 'Rupiah', 'provenance': [{'wikipedia_id': '3457649', 'title': 'List of currencies', 'start_paragraph_id': 591, 'start_character': 12, 'end_paragraph_id': 591, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::R.\n'}]}]