In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.

Q: Context: With his then-wife Barbara Kesel, he co-wrote a Hawk and Dove miniseries in 1988 which was drawn by Rob Liefeld. Link Information: His first published story, was a DC Comics Bonus Book insert in Warlord #131 (September 1988) Answer: 1988

A: When did Liefeld start producing comics?
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Q: Context: He graduated from the Air Command and Staff College in 1961 Link Information: none Answer: none

A: How many people graduate from the Air Command and Staff College in a year?
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Q: Context: However, in 1979 Hatch and Kirk, Inc., added a helicopter deck aft which could accommodate a Philippine Navy MBB Bo 105C helicopter Link Information: none Answer: none

A:
How many of the 105C helicopter did the Philippine Navy operate?
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