Question: what kind of clay do car designers use
[{'answer': 'Industrial plasticine', 'provenance': [{'wikipedia_id': '3830889', 'title': 'Industrial plasticine', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3830889', 'title': 'Industrial plasticine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 165, 'bleu_score': 0.9243880458347601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 788009352974460532}, 'section': 'Section::::Abstract.'}]}]