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.

Ex Input:
What is the postcode district whose local authority area was formed in 1974 ?

Ex Output:
WD4

Ex Input:
What was the first nickname given to Rex C. Ellsworth 's horse ?

Ex Output:
The California Comet

Ex Input:
What is the difference between the number of days of competion for the ones that are part of an American tour and the one that are part of a European tour ?

Ex Output:
7