Question: Which one is based on Hernani, Der Schauspieldirektor or Ernani?
Sentence (from "Der Schauspieldirektor"): Der Schauspieldirektor ("The Impresario"), K. 486, is a comic "singspiel" by Wolfgang Amadeus Mozart, set to a German libretto by Gottlieb Stephanie, an Austrian "Schauspieldirektor".
Relevant evidence: Yes