Question: who decides the salaries of the judges of supreme court
[{'answer': 'the United States Congress', 'provenance': [{'wikipedia_id': '38960773', 'title': 'Federal judge salaries in the United States', 'start_paragraph_id': 1, 'start_character': 62, 'end_paragraph_id': 1, 'end_character': 88, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '38960773', 'title': 'Federal judge salaries in the United States', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 658, 'bleu_score': 0.979484453366057, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6801776311412991470}, 'section': 'Section::::Abstract.'}]}]