Question: who is the main character in highschool dxd
[{'answer': 'Issei Hyodo', 'provenance': [{'wikipedia_id': '34951157', 'title': 'List of High School DxD characters', 'start_paragraph_id': 1, 'start_character': 245, 'end_paragraph_id': 1, 'end_character': 256, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '34951157', 'title': 'List of High School DxD characters', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 544, 'bleu_score': 0.9248740127858551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17760746225981395824}, 'section': 'Section::::Protagonists.:Issei Hyodo.\n'}]}]