Question: who was the only justice to be impeached
[{'answer': 'Samuel Chase', 'provenance': [{'wikipedia_id': '260872', 'title': 'Samuel Chase', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '260872', 'title': 'Samuel Chase', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 359, 'bleu_score': 0.9669306597086381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6254364260403519105}, 'section': 'Section::::Abstract.'}]}]