Question: Which occurred first, St. Elizabeths Hospital being designated a National Historic Landmark or Sibley Memorial Hospital being a part of Johns Hopkins Medicine?
{'answer': 'St. Elizabeths Hospital', 'supporting_facts': [['Sibley Memorial Hospital', 0], ['Sibley Memorial Hospital', 2], ['St. Elizabeths Hospital', 0], ['St. Elizabeths Hospital', 2]]}