Problem: Given the question: Social seating is currently available with a few airlines, notably the flag carrier airline of the Netherlands whose hub is located where?
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The answer is:
Amsterdam Airport Schiphol

Problem: Given the question: In which band the musicians are identical sisters, in Rain Parade or Tegan and Sara?
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The answer is:
Tegan and Sara

Problem: Given the question: What was the 2012 population of the city in which the Tetteh Quarshie Interchange passes through?
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The answer is:
2.27 million