Question: which team won the world cup 2015 who did they defeat
[{'answer': 'New Zealand', 'provenance': [{'wikipedia_id': '31374270', 'title': '2015 Cricket World Cup Final', 'start_paragraph_id': 1, 'start_character': 178, 'end_paragraph_id': 1, 'end_character': 189, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31374270', 'title': '2015 Cricket World Cup Final', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 240, 'bleu_score': 0.8928756684056031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7171580807770874657}, 'section': 'Section::::Background.\n'}]}]