Question: who is the federal reserve system overseen by
[{'answer': 'Twelve regional Federal Reserve Banks', 'provenance': [{'wikipedia_id': '10819', 'title': 'Federal Reserve', 'start_paragraph_id': 3, 'start_character': 156, 'end_paragraph_id': 3, 'end_character': 193, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10819', 'title': 'Federal Reserve', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 1066, 'bleu_score': 0.8022365813869221, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4691964426288386381}, 'section': 'Section::::Abstract.'}]}]