Question: how many times has australia won the cricket world cup
[{'answer': '5', 'provenance': [{'wikipedia_id': '31384081', 'title': 'List of Cricket World Cup finals', 'start_paragraph_id': 1, 'start_character': 86, 'end_paragraph_id': 1, 'end_character': 87, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]