Question: how many times did west indies won the world cup
[{'answer': 'twice', 'provenance': [{'wikipedia_id': '7239', 'title': 'Cricket World Cup', 'start_paragraph_id': 3, 'start_character': 479, 'end_paragraph_id': 3, 'end_character': 484, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7239', 'title': 'Cricket World Cup', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 658, 'bleu_score': 0.676183821850398, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17865779139565127366}, 'section': 'Section::::Abstract.'}]}]