Question: when did pounds change to dollars in australia
[{'answer': '14 February 1966', 'provenance': [{'wikipedia_id': '81215', 'title': 'Australian dollar', 'start_paragraph_id': 1, 'start_character': 300, 'end_paragraph_id': 1, 'end_character': 316, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]