Question: who plays armin in attack on titan dubbed
[{'answer': 'Joshua Grelle', 'provenance': [{'wikipedia_id': '12818974', 'title': 'Josh Grelle', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '12818974', 'title': 'Josh Grelle', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 813, 'bleu_score': 0.9350588080576551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15646415141211794563}, 'section': 'Section::::Abstract.'}]}]