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: Roman Empire  question:  where was the roman colosseum located?
['Rome']

concept: Christchurch  question:  what date did the earthquake in christchurch happen?
['2011 Christchurch earthquake']

concept: Mother Teresa  question:  what countries did mother teresa work in?

Kolkata