Question: the newest executive department in the united states government
[{'answer': 'Homeland Security', 'provenance': [{'wikipedia_id': '274238', 'title': 'United States federal executive departments', 'start_paragraph_id': 11, 'start_character': 31, 'end_paragraph_id': 11, 'end_character': 48, 'bleu_score': 1.0, 'section': 'Section::::References.\n'}]}]