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.
--------
Question: concept: Jack Skellington  question:  who the voice of jack skellington?

Answer: ['Danny Elfman', 'Chris Sarandon']


Question: concept: Fifa World Cup  question:  when does the world cup occur?

Answer: ['Every 4 Years']


Question: concept: Spain  question:  what is the name of currency used in spain?

Answer:
Euro