Question: where did the romans get the arch from
[{'answer': 'the Etruscans', 'provenance': [{'wikipedia_id': '52070', 'title': 'Arch', 'start_paragraph_id': 22, 'start_character': 41, 'end_paragraph_id': 22, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '52070', 'title': 'Arch', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 157, 'bleu_score': 0.859088873824512, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7716886021932651494}, 'section': 'Section::::History.\n'}]}]