Question: who won the most currie cups in south africa
[{'answer': 'Western Province', 'provenance': [{'wikipedia_id': '350554', 'title': 'Currie Cup', 'start_paragraph_id': 4, 'start_character': 462, 'end_paragraph_id': 4, 'end_character': 478, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]