Question: who established the first television station in nigeria
[{'answer': 'NTA', 'provenance': [{'wikipedia_id': '3047197', 'title': 'Nigerian Television Authority', 'start_paragraph_id': 1, 'start_character': 50, 'end_paragraph_id': 1, 'end_character': 53, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3047197', 'title': 'Nigerian Television Authority', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 584, 'bleu_score': 0.7234247665863921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15073459835401681975}, 'section': 'Section::::Abstract.'}]}]