Based on the given question and tppic, give an answer. The answer is available on on the internet. The questions are mostly centered around a single named entity.

concept: Spain  question:  what do spain call their money?
['Euro']

concept: Medicare  question:  what is medicare a?
['Centers for Medicare and Medicaid Services']

concept: Nigeria  question:  what type of government does nigeria have today?

Presidential system, Federal republic, Federation