Question: what do we call the currency of australia
[{'answer': 'The Australian dollar', 'provenance': [{'wikipedia_id': '81215', 'title': 'Australian dollar', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]