Task: Question Generation
Input (English): Dreimal sieben Gedichte aus Albert Girauds ''Pierrot lunaire'' (''Three times Seven Poems from Albert Giraud's 'Pierrot lunaire'''), commonly known simply as Pierrot Lunaire, Op. 21 (''Moonstruck Pierrot'' or ''Pierrot in the Moonlight''), is a melodrama by Arnold Schoenberg.
Output (English): Which is the basis of Pierrot Lunaire?