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 : Gary Unmarried is an American sitcom created by Ed Yeager, which ran on CBS from September 24, 2008 to March 17, 2010. 
Answer : CBS

A: What is the original channel that Gary Unmarried played on?
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Q: Context : 45 Commando Royal Marines (pronounced ``four-five commando'') is a battalion sized unit of the British Royal Marines and subordinate unit within 3 Commando Brigade Royal Marines, the principal Commando formation, under the Operational Command of Commander in Chief Fleet. 
Answer : Royal Marines

A: What military organization did 45 Commando belong to?
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Q: Context : Iota Horologii b (ι Hor b / ι Horologii b), often catalogued HR 810 b, is an extrasolar planet approximately 56 light-years away in the constellation of Horologium (the Pendulum Clock). 
Answer : Horologium

A:
Of which constellation is Iota Horologii b a part?
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