Question: what nqf level is a b tech degree
[{'answer': '7', 'provenance': [{'wikipedia_id': '12577637', 'title': 'South African Qualifications Authority', 'start_paragraph_id': 1, 'start_character': 142, 'end_paragraph_id': 1, 'end_character': 143, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]