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: In 1940, he was promoted to commander of the Q-ship which was sunk by a torpedo in the Atlantic, 200 miles west of Ireland; Link Information: When the Second World War started Answer: 1

Answer: How long had the Second World War been going on when Ryder was promoted to commander of the Q-ship that was sunk?


Question: Context: There he improved the orchestra and began providing incidental music for the theatre's lavish productions, starting with Richard III in 1889. Link Information: Richard III is an historical play by William Shakespeare Answer: William Shakespeare

Answer: Who was the writer of Richard III?


Question: Context: (2010) during which Matt Smith took over the role as the Eleventh Doctor; Link Information: Matthew Robert Smith (born 28 October 1982) Answer: 28

Answer:
How old was the actor who took over the role of the eleventh doctor, at that time?