Question: who is responsible for electing the president in south africa
[{'answer': 'the National Assembly', 'provenance': [{'wikipedia_id': '321700', 'title': 'President of South Africa', 'start_paragraph_id': 2, 'start_character': 28, 'end_paragraph_id': 2, 'end_character': 49, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '321700', 'title': 'President of South Africa', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 534, 'bleu_score': 0.949466006301181, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12194799459794943186}, 'section': 'Section::::Abstract.'}]}]