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.

[EX 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
[EX A]: How old was Sir Edward Hughes when Cooke was promoted to Lieutenant?

[EX Q]: Context: He then entered the 2008 BMW Open in Munich, Germany, where he beat Carlos Berlocq in the first round. In the second round, he edged out Michael Berrer, Link Information: He then entered the 2008 BMW Open in Munich, Germany, where he beat Carlos Berlocq in the first round. In the second round, he edged out Michael Berrer, but lost to Fernando González Answer: Carlos Berlocq
[EX A]: Which of Safin's opponents that he defeated at the 2008 BMW Open was the oldest?

[EX Q]: Context: he was posthumous adopted as heir by his elder brother Link Information: none Answer: none
[EX A]:
Besides the one who adopted him, what were the names of Matsumoto's siblings?