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 fought in Operation Barbarossa, the German invasion of the Soviet Union, and claimed his first aerial victory on 8 August 1941. Link Information: none Answer: none
answer:
How many days did Operation Barbarossa last?


question:
Context: She previously taught at the London School of Economics, New York University, and the University of Chicago. Link Information: 

The London School of Economics (officially the London School of Economics and Political Science, often referred to as LSE) is a public research university located in London, England Answer: London, England
answer:
What cities had Chen taught in before she took the job as the Malcolm K. Brachman Professor of Economics at Yale?


question:
Context: the force led by Major-General Sir Hugh Rose which besieged and captured Jhansi Fort in April 1858 Link Information: Field Marshal Hugh Henry Rose, 1st Baron Strathnairn, (6 April 1801 – 16 October 1885) Answer: 1885
answer:

In what year did the general who besieged and captured Jhansi Fort in 1858 die?