Question: Which opera premiered first, Der Freischütz or Orfeo ed Euridice?
{'answer': 'Orfeo ed Euridice', 'supporting_facts': [['Der Freischütz', 1], ['Orfeo ed Euridice', 0], ['Orfeo ed Euridice', 2], ['Orfeo ed Euridice', 3]]}