Question: lead-glass material used for decorative items made by lalique
[{'answer': 'crystal', 'provenance': [{'wikipedia_id': '1146374', 'title': 'Lalique', 'start_paragraph_id': 1, 'start_character': 309, 'end_paragraph_id': 1, 'end_character': 316, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1146374', 'title': 'Lalique', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 465, 'bleu_score': 0.972782728923768, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14977322497840886045}, 'section': 'Section::::Abstract.'}]}]