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: At Berlin, he took courses with Carl Stumpf, Heinrich Maier and Max Dessoir, and was active in the Kant-Gesellschaft society. Link Information: Carl Stumpf (; 21 April 1848 – 25 December 1936) Answer: Carl Stumpf, 
answer:
Who was the older of the two people that Nicolae Bagdasar took classes with at the University of Berlin?


question:
Context: in a 1251 Prussian Document issued at Chełmża. Bishop Heidenreich of Bishopric of Chełmno received the Chełmno Land from the pope. Link Information: The Pope at the time, Innocent IV, was not keen to continue the dispute and installed the Bishop as the rightful ruler of the settlement. Answer: 25 June 1243 
answer:

Bishop Heidenreich received the Chelmno Land from a pope whose reign began when?