Question: which group has had the most supreme court justices
[{'answer': 'white', 'provenance': [{'wikipedia_id': '3047164', 'title': 'Demographics of the Supreme Court of the United States', 'start_paragraph_id': 1, 'start_character': 387, 'end_paragraph_id': 1, 'end_character': 392, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3047164', 'title': 'Demographics of the Supreme Court of the United States', 'start_paragraph_id': 31, 'start_character': 0, 'end_paragraph_id': 31, 'end_character': 325, 'bleu_score': 0.8534647651859141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17212766112849938413}, 'section': 'Section::::Ethnicity.\n'}]}]