Task: Question Generation
Input (English): Context : The Aachen Altar (de: Aachener Altar) or Passion Altar (Passionsaltar) is a late gothic passion triptych in the Aachen Cathedral Treasury, made by the so-called Master of the Aachen Altar around 1515/20 in Cologne, Germany. 
Answer : Aachen Cathedral Treasury
Output (English): What is the name of the place where Aachen Altar can be found?