Question: what regulates the sale of property in australia
[{'answer': 'Australian property law', 'provenance': [{'wikipedia_id': '3308585', 'title': 'Australian property law', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3308585', 'title': 'Australian property law', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 717, 'bleu_score': 0.9832621206481431, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11926760129169205807}, 'section': 'Section::::Abstract.'}]}]