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: On 21 January 1779, Cooke was promoted to lieutenant and joined in the East Indies under Sir Edward Hughes Link Information: On 21 January 1779, Cooke was promoted to lieutenant and joined in the East Indies under Sir Edward Hughes Answer: 58

A: How old was Sir Edward Hughes when Cooke was promoted to Lieutenant?
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Q: Context: Patassé went in disguise to the French Embassy in the Central African Republic to seek refuge. Link Information: The economic prefectures are Nana-Grébizi and Sangha-Mbaéré, while the commune is the capital city of Bangui Answer: Bangui 

A: What city was the French Embassy located in?
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Q: Context: In "Hide and Seek", he creates a gene therapy Link Information: none Answer: none

A:
How many days after the episode aired where Beckett creates a gene therapy did the episode air where Beckett helps the Hoffans develop a drug that kills the Wraith who feeds on humans?
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