Question: what kind of fish did arthur treacher's use
[{'answer': 'Icelandic cod', 'provenance': [{'wikipedia_id': '46345', 'title': "Arthur Treacher's", 'start_paragraph_id': 12, 'start_character': 156, 'end_paragraph_id': 12, 'end_character': 169, 'bleu_score': 1.0, 'section': "Section::::Acquisition by Mrs. Paul's Seafood.\n"}]}, {'answer': 'pollock', 'provenance': [{'wikipedia_id': '46345', 'title': "Arthur Treacher's", 'start_paragraph_id': 12, 'start_character': 218, 'end_paragraph_id': 12, 'end_character': 225, 'bleu_score': 1.0, 'section': "Section::::Acquisition by Mrs. Paul's Seafood.\n"}]}, {'provenance': [{'wikipedia_id': '46345', 'title': "Arthur Treacher's", 'start_paragraph_id': 12, 'start_character': 133, 'end_paragraph_id': 12, 'end_character': 566, 'bleu_score': 0.880526895251576, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13166283572557489660}, 'section': "Section::::Acquisition by Mrs. Paul's Seafood.\n"}]}]