query: what countries have german as the official language?
answers: [ ' C a n a d a ' , ' G e r m a n D e m o c r a t i c R e p u b l i c ' , ' L u x e m b o u r g ' , ' S w i t z e r l a n d ' , ' L i e c h t e n s t e i n ' , ' G e r m a n y ' , ' W e s t G e r m a n y ' , ' B e l g i u m ' , ' V a t i c a n C i t y ' , ' S e c o n d P o l i s h R e p u b l i c ' ]