Question: when was the indian currency devalued for the first time
[{'answer': '1966', 'provenance': [{'wikipedia_id': '3082583', 'title': 'History of the rupee', 'start_paragraph_id': 25, 'start_character': 124, 'end_paragraph_id': 25, 'end_character': 128, 'bleu_score': 1.0, 'section': 'Section::::Since 1947.\n'}]}, {'provenance': [{'wikipedia_id': '3082583', 'title': 'History of the rupee', 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 137, 'bleu_score': 0.9146912192286941, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11476801446540773356}, 'section': 'Section::::Since 1947.\n'}]}]