Question: what type of column is found in the u.s. supreme court building
[{'answer': 'ivory buff and golden marble', 'provenance': [{'wikipedia_id': '2420742', 'title': 'United States Supreme Court Building', 'start_paragraph_id': 18, 'start_character': 859, 'end_paragraph_id': 18, 'end_character': 887, 'bleu_score': 1.0, 'section': 'Section::::Temple of Justice.\n'}]}, {'provenance': [{'wikipedia_id': '2420742', 'title': 'United States Supreme Court Building', 'start_paragraph_id': 18, 'start_character': 500, 'end_paragraph_id': 18, 'end_character': 1145, 'bleu_score': 0.921477430803981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9282472067611582263}, 'section': 'Section::::Temple of Justice.\n'}]}]