TASK DEFINITION: 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.
PROBLEM: Context: Harris hosted Abraham Lincoln at his North End home when Lincoln spoke at the Harris Institute in 1860 Link Information: Abraham Lincoln (/ˈliŋkən/; February 12, 1809 – April 15, 1865) Answer: 51

SOLUTION: How old was Abraham Lincoln the year that Harris hosted him at his North End home?

PROBLEM: Context: Upon mobilization and the declaration of war, the 1st Battalion, Wilts deployed to France as part of the 3rd Division's 7th Brigade, landing in France on 14 August 1914 Link Information: none Answer: none

SOLUTION: How long had the 7th Brigade existed before Wilts was deployed to France?

PROBLEM: Context: In the 10th century, Abd al-Rahman al-Sufi (Azophi) carried out observations on the stars and described their positions, magnitudes, brightness, and colour and drawings for each constellation in his Book of Fixed Stars. Link Information: The Book of Fixed Stars ( ) is an astronomical text written by Abd al-Rahman al-Sufi (Azophi) around 964. Answer: 1

SOLUTION:
How many years of total work did it take Abd al-Rahman al-Sufi (Azophi) to create his Book of Fixed Stars?