Question: how old do you have to be to drink alcohol in australia
[{'answer': '18', 'provenance': [{'wikipedia_id': '22830068', 'title': 'Alcohol laws of Australia', 'start_paragraph_id': 1, 'start_character': 124, 'end_paragraph_id': 1, 'end_character': 126, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]