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 became the first to isolate the measles virus from the brain of a child who had died from measles encephalitis. Link Information: none Answer: none
answer:
Which disease shows symptoms sooner after infection, the measles encephalitis virus or the virus Hodes discovered in Guam that was spread by mosquitoes?

question:
Context: In 2013, Willis co-presented the ITV Link Information: ITV is a British free-to-air television network with its headquarters in London. It was launched in 1955 Answer: 1955
answer:
When was the TV network Willis co-presented on in 2013 founded?

question:
Context: Homer putting the flowers in the policemen's rifles is a reference to the iconic October 22, 1967 Life magazine picture, "Flower Power" by Bernie Boston. Link Information: Bernie Boston (May 18, 1933 Answer: 34
answer:
What age was the photographer who took the picture that Homer referenced, when the photograph was printed?