Question: how many times did south africa win the rugby world cup
[{'answer': 'two', 'provenance': [{'wikipedia_id': '22228066', 'title': 'South Africa at the Rugby World Cup', 'start_paragraph_id': 1, 'start_character': 117, 'end_paragraph_id': 1, 'end_character': 120, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22228066', 'title': 'South Africa at the Rugby World Cup', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 515, 'bleu_score': 0.978138775770484, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15301747171950688910}, 'section': 'Section::::Abstract.'}]}]