Question: who won the last icc cricket world cup
[{'answer': 'Australia national cricket team'}, {'provenance': [{'wikipedia_id': '31384081', 'title': 'List of Cricket World Cup finals', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 515, 'bleu_score': 0.7586338285151071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17575454652494400143}, 'section': 'Section::::Abstract.'}]}]