Question: how many times did india win hockey world cup
[{'answer': 'once', 'provenance': [{'wikipedia_id': '951198', 'title': 'Hockey World Cup', 'start_paragraph_id': 3, 'start_character': 213, 'end_paragraph_id': 3, 'end_character': 217, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '951198', 'title': 'Hockey World Cup', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 217, 'bleu_score': 0.6020101119071121, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7013500271355205583}, 'section': 'Section::::Abstract.'}]}]