Question: which law is the highest in south africa
[{'answer': 'the constitution', 'provenance': [{'wikipedia_id': '4752175', 'title': 'Law of South Africa', 'start_paragraph_id': 4, 'start_character': 86, 'end_paragraph_id': 4, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::Court system in South Africa.\n'}]}]