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 began attending the Institut National Agronomique Paris-Grignon in 1975 Link Information: none Answer: none
answer:
How many students were enrolled at Institut National Agronomique Paris-Grignon the year that Houellebecq began attending?


question:
Context: His grandfather was Septimus Burt Link Information: he Hon Septimus Burt KC (25 October 1847 – 15 May 1919) Answer: 1847 
answer:
What year was Richard Burt's grandfather born?


question:
Context: in 1887, Italian Prime Minister Agostino Depretis ordered an invasion, leading to the Eritrea War Link Information: Agostino Depretis (31 January 181329 July 1887)  Answer: 74
answer:

How old was the Prime Minister when he ordered an invasion that led to the Eritrea War in 1887?