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 January 21, 2019, the Supreme Court — with Chief Justice John Roberts and Justices Samuel Alito, Neil Gorsuch, Brett Kavanaugh and Clarence Thomas forming the majority for the 5-4 opinion Link Information: John Glover Roberts Jr. (born January 27, 1955) Answer: Clarence Thomas
[A]: Who is the oldest judge that formed the majority opinion on January 21, 2019?


[Q]: Context: Following the success of Sullivan's ballet Victoria and Merrie England in 1897 Link Information: The ballet consists of a series of seven historical vignettes in praise of Britain, such as "Ancient Britain," Christmas in the time of Charles II, and two scenes devoted to Queen Victoria.  Answer: 2
[A]: How many scenes are there in Sullivan's successful ballet performed in 1897?


[Q]: Context: This brought himand Henry, his younger brotherinto conflict with their cousin Edward II of England, leading to Thomas's execution. Link Information: Edmund's son Thomas, 2nd Earl of Lancaster Answer: 20
[A]:
How long was the reign of the king who executed Edmund's son, Thomas?