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'.

Context: From there, he marched against Tbilisi which the Georgian king Bagrat V had fortified. Link Information: none Question: How long did it take Timur to take over Tbilisi?
Answer: none

Context: due to the unpopular edict by Emperor Domitian that all colonial vines must be uprooted. When Emperor Probus, the son of a gardener, rescinded the edict Link Information: Domitian (; ; 24 October 51 – 18 September 96 AD) was Roman emperor from 81 to 96 Question: How many years were between the end of the Emperor's reign who called for all colonial vines to be uprooted and the beginning of the reign where the son of a gardener rescinded the edict?
Answer: 180

Context: Under Abraham Alikhanov, he studied cosmic rays in Armenia from 1942 Link Information: February 20, 1904 – December 8, 1970 Question: How old was Alikhanov when Pomeranchuk studied with him?

Answer: 38