Question:  Der Bärenhäuter was influenced by the German composer who created which opera?
Related documents: [0]  [DOC] Der Bärenhäuter is an 1899 German-language opera by Siegfried Wagner based on the German folk tale Der Bärenhäuter, or the Bearskin man. As with most of Siegfried Wagner's operas it is more influenced by his teacher Humperdinck than his father Richard Wagner's operas. [END] 
[1]  [DOC] Engelbert Humperdinck (] ; 1 September 1854 – 27 September 1921) was a German composer, best known for his opera "Hansel and Gretel". [END] 
Answer: 
"Hansel and Gretel"
"Hansel and Gretel"