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: aymond started to display daredevil tendencies of his own, entering motor races in a privateer Chrysler Imperial. Link Information: none Answer: none
answer:
What car did Sommer drive in the Vanderbilt Cup?


question:
Context: Heimburg Castle, built about 1170 by King Henry IV Link Information: none Answer: none
answer:

How old was King Henry IV when Heimburg Castle was built?