Question: what is the name of south africa's first monopoly telecommunications provider
[{'answer': 'Telkom', 'provenance': [{'wikipedia_id': '27373', 'title': 'Telecommunications in South Africa', 'start_paragraph_id': 1, 'start_character': 155, 'end_paragraph_id': 1, 'end_character': 161, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27373', 'title': 'Telecommunications in South Africa', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 552, 'bleu_score': 0.9735040436119741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17602482279892901885}, 'section': 'Section::::Abstract.'}]}]