Question: what is the crystal ball in times square made of
[{'answer': 'Waterford Crystal', 'provenance': [{'wikipedia_id': '3597669', 'title': 'Times Square Ball', 'start_paragraph_id': 60, 'start_character': 236, 'end_paragraph_id': 60, 'end_character': 253, 'bleu_score': 1.0, 'section': 'Section::::History.:Into the new millennium (1999–2007).\n'}]}, {'provenance': [{'wikipedia_id': '3597669', 'title': 'Times Square Ball', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 608, 'bleu_score': 0.7990504134941401, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5007594733875903850}, 'section': 'Section::::Abstract.'}]}]