Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Q: Context : In 1994, the U.S. military officially accepted the XM4 into service as the M4 carbine to replace M16A2s in certain roles. 
Answer : 1994

A: In which year was the service entry date for M4 carbine?
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Q: Context : ``Restful Place'' focuses on a curved limestone bench and above it is an arched bronze and glass canopy. 
Answer : limestone

A: What is the surface of Restful Place made of?
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Q: Context : Storm Hawks is a Canadian animated television series created by Asaph ``Ace'' Fipke and was produced by Nerd Corps Entertainment in association with Cartoon Network and YTV. 
Answer : YTV

A:
Which was the network that originally hosted Storm Hawks?
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