In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

[Q]: Context: FitzOsbern had been granted the Lordship of Striguil by his second cousin King William in gratitude for his support in the Norman conquest of England Link Information: none Question: During what years did the Norman conquest of England occur?
[A]: Answer: none


[Q]: Context: Then, after studying law and being admitted to the bar, he moved to Castine, in what was later the state of Maine. Link Information: none Question: What was the capital of Maine in 1794?
[A]: Answer: none


[Q]: Context: He fought with the Confederates against the Parliamentarians in 1645–6, and led a successful assault on Roscommon Castle in 1646. Link Information:  The entire castle was enclosed by a lofty curtain wall. It was built in 1269 by Robert de Ufford, Justiciar of Ireland, on lands he had seized from the Augustinian Priory. Question: What year was the castle that FitzWilliam led the assault on built?
[A]:
Answer: 1269