Question: what is a graduated cylinder made out of
[{'answer': 'polypropylene', 'provenance': [{'wikipedia_id': '106304', 'title': 'Graduated cylinder', 'start_paragraph_id': 3, 'start_character': 49, 'end_paragraph_id': 3, 'end_character': 62, 'bleu_score': 1.0, 'section': 'Section::::Materials and structure.\n'}]}, {'provenance': [{'wikipedia_id': '106304', 'title': 'Graduated cylinder', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 458, 'bleu_score': 0.770583207310772, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2452767844626520627}, 'section': 'Section::::Materials and structure.\n'}]}]