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 moved back to his homeland and graduated first at the Annenschule Link Information: none Answer: none
answer:
In what year did Mikhail Sumarokov-Elston graduate from Annenschule?


question:
Context: In March 1884, Lt. Vreeland began a three-year tour at sea aboard the sloop-of-war , after which he was assigned for two years at the Bureau of Navigation. Link Information: The U.S. Navy's Bureau of Navigation was established in 1862 as part of the reorganization of the Navy Department Answer: 1862 
answer:
When was the bureau established that   Lt. Vreeland was assigned after a three-year tour at sea aboard the sloop-of-war 


question:
Context: John Milne Jnr., whose aeroplane went missing whilst flying over the Irish sea in 1937. Link Information: John Milne Jnr., whose aeroplane went missing whilst flying over the Irish sea in 1937.  Answer: 64
answer:

How old was Thomas Andrews the year that John Milne's aeroplane went missing?