Question: who won the first cricket world cup in 1975
[{'answer': 'West Indies', 'provenance': [{'wikipedia_id': '27763015', 'title': '1975 Cricket World Cup Final', 'start_paragraph_id': 1, 'start_character': 85, 'end_paragraph_id': 1, 'end_character': 96, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27763015', 'title': '1975 Cricket World Cup Final', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 238, 'bleu_score': 0.9560167778278961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17613023546865239122}, 'section': 'Section::::Abstract.'}]}]