Question: Wie bist du, Frühling, gut und treu ("Springtime, how good and faithful you are"), WAB 58 is a lied composed in 1856, by which Austrian composer best known for his symphonies, masses, and motets?
{'answer': 'Anton Bruckner', 'supporting_facts': [['Wie bist du, Frühling, gut und treu, WAB 58', 0], ['Anton Bruckner', 0]]}