In this task, you will be presented with a question and you have to answer the question based on your knowledge. Your answers should be as short as possible.

Example Input: How many of the vacators who lost in a contested election lived to see the twenthieth century ?
Example Output: 3

Example Input: When did open the airport of the the largest city in the county of West Yorkshire ?
Example Output: 17 October 1931

Example Input: How many planes took off or landed in 2012 at the airport with 65,372,012 flyers in 2009 ?
Example Output:
557,167