Question: sheets of colored glass joined together with strips of lead is called
[{'answer': 'stained glass windows', 'provenance': [{'wikipedia_id': '142340', 'title': 'Stained glass', 'start_paragraph_id': 2, 'start_character': 147, 'end_paragraph_id': 2, 'end_character': 168, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '142340', 'title': 'Stained glass', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 538, 'bleu_score': 0.978606533029418, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4898963056433115806}, 'section': 'Section::::Abstract.'}]}]