In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

[Q]: How much money does tourism bring to canada?
[A]: $17.4 billion


[Q]: Who plays the tick in the amazon series?
[A]: Peter Szymon Serafinowicz


[Q]: What is the purpose of egg wash in baking?
[A]:
to make pastries shiny and golden or brown in color, and it also is used to help toppings or coatings stick to the surface of the pastry, or to bind pastry parts together