instruction:
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.
question:
Context: He is one of the six main people featured in the documentary film Meet the Mormons released October 10, 2014 Link Information: Meet the Mormons is a 2014 American documentary film directed by Blair Treu  Answer: Blair Treu
answer:
Who directed the documentary Ken was featured in?


question:
Context: and returned again on July 17 against the Washington Nationals. Link Information: The current NL club was founded in 1969  Answer: 1969 
answer:
When did the team that Bay returned against in July form?


question:
Context: Karena has worked as a professional theatre director since 1997. Link Information: The Cochrane Theatre was a receiving and producing theatre situated in Holborn, London, that opened in 1964.  Answer: 33
answer:

How long had Cochrane Theatre been in existence for the year Johnson began working as a professional theatre director?