Question: what nqf level is a diploma in south africa
[{'answer': '6', 'provenance': [{'wikipedia_id': '12577637', 'title': 'South African Qualifications Authority', 'start_paragraph_id': 1, 'start_character': 141, 'end_paragraph_id': 1, 'end_character': 142, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]