Question: who is the writer of dragon ball super
[{'answer': 'Akira Toriyama', 'provenance': [{'wikipedia_id': '46552251', 'title': 'Dragon Ball Super', 'start_paragraph_id': 9, 'start_character': 47, 'end_paragraph_id': 9, 'end_character': 61, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}]