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: 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
[A]: Who directed the documentary Ken was featured in?


[Q]: Context: With regard to their performance on 13 April 2007 at the Wembley Arena, London Link Information: Used for music, comedy, family entertainment and sport, the 12,500-seat facility Answer: 12500
[A]: What is the capacity of the venue where the Sugababes performed on 13 April 2007?


[Q]: Context: Dál Riata is said to have been founded by the legendary king Fergus Mór (Fergus the Great) in the 5th century. Link Information: none Answer: none
[A]:
How many years did the legendary king that created the Dal Riata rule for?