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.

Q: concept: United States  question:  what kind government does the us have?

A: ['Presidential system', 'Federal republic', 'Representative democracy', 'Two-party system', 'Constitutional republic', 'Republic']
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Q: concept: Christchurch  question:  what date did the earthquake in christchurch happen?

A: ['2011 Christchurch earthquake']
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Q: concept: Betty White  question:  who are betty white's husbands?

A:
['Lane Allen', 'Allen Ludden', 'Dick Barker']
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