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: As the flotilla carrying the casket closed on Dover Castle Link Information: Built in the early 2nd century Answer: the early 2nd century
answer:
When was the building the Unknown Warrior's body was taken to built?


question:
Context: A wedding-feast for the two of them was arranged high on one of the Link Information: The Sogdian Rock or Rock of Ariamazes, a fortress located north of Bactria in Sogdiana (near Samarkand), Answer: fortress 
answer:
What type of place did Alexander and Roxana have their wedding feast?


question:
Context: Bar-sur-Seine is located some 20 km south-east of Troyes Link Information: Bar-sur-Seine is located some 20 km south-east of Troyes  Answer: 600 BC
answer:

When was the town located north-west of Bar-sur-Seine established?