Question: who bowled the first ball of the world cup 1975
[{'answer': 'West Indies', 'provenance': [{'wikipedia_id': '180351', 'title': '1975 Cricket World Cup', 'start_paragraph_id': 2, 'start_character': 197, 'end_paragraph_id': 2, 'end_character': 208, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '180351', 'title': '1975 Cricket World Cup', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 594, 'bleu_score': 0.9180971937247071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7982594541716655355}, 'section': 'Section::::Knockout stage.:Semi-finals.\n'}]}]