Question: how big is a 1 18 scale model
[{'answer': '1 / 18th the size'}, {'provenance': [{'wikipedia_id': '6179218', 'title': '1:18 scale diecast', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 278, 'bleu_score': 0.6135791241844291, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 461261518564814762}, 'section': 'Section::::Abstract.'}]}]