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.

Example Input: concept: Paris question: what airport in paris?
Example Output: ['Beauvais-Tille Airport', 'Charles de Gaulle Airport', 'Orly Air Base', 'Paris Orly Airport']

Example Input: concept: Cuba question: who is the current leader of cuba today?
Example Output: ['Raul Castro']

Example Input: concept: Muhammad question: who was the first wife of prophet muhammad?
Example Output:
Khadija bint Khuwaylid