Detailed Instructions: 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'.
Problem:Context: He was given up by the people through a ploy of Alexius Comnenus (1074), then a general, later an emperor. Link Information: AlexiosI Komnenos (, 15 August 1118), Latinized Alexius I Comnenus, was Byzantine emperor from 1081 to 1118. Question: How long did the general who captured Roussel rule as the Byzantine Emperor?
Solution:
Answer: 37