Question: who is the youngest sitting judge on the us supreme court
[{'answer': 'Joseph Story', 'provenance': [{'wikipedia_id': '3047164', 'title': 'Demographics of the Supreme Court of the United States', 'start_paragraph_id': 101, 'start_character': 40, 'end_paragraph_id': 101, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Age.\n'}]}, {'provenance': [{'wikipedia_id': '3047164', 'title': 'Demographics of the Supreme Court of the United States', 'start_paragraph_id': 101, 'start_character': 0, 'end_paragraph_id': 101, 'end_character': 1088, 'bleu_score': 0.972519751248032, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2355111547033372859}, 'section': 'Section::::Age.\n'}]}]