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: Murdoch appointed Frank Giles to be the editor of The Sunday Times. Link Information: Frank Thomas Robertson Giles (31 July 1919 – 30 October 2019 Question: What is the age difference between Rupert Murdoch and the person he appointed editor of the Sunday Times?
[A]: Answer: 12


[Q]: Context: His boyhood interest in botany and zoology soon resurfaced, helped along by inspiring lectures from William Crawford Williamson. Link Information: William Crawford Williamson (24 November 1816 – 23 June 1895) Question: What year was the lecturer who inspired Seward born?
[A]: Answer: 1816


[Q]: Context: In 1846 she was taken in hand at Portsmouth Dockyard and converted to steam-powered screw propulsion as a 'blockship'. Link Information: The first recorded dry dock in the world was built in Portsmouth by Henry VII in 1495. Question: How many years had Portsmouth Dockyard existed when the HMS Edinburgh was converted to steam-powered screw propulsion as a blockship?
[A]:
Answer: 351