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: At the level of colonel, in 2009, he served at the director of training for the UPDF 2nd Division, based at Mbarara, in Western Uganda. Link Information: none Question: Which continent did Innocent Oula work as director of training for UPDF 2nd Division/
Answer: none

Context: She completed a BA with honours in English at Pennsylvania State University and an MA in education at Lehigh University Link Information: none Question: In what cities did Stasko receive post high school instruction?
Answer: none

Context: In the winter of 1915, during the Serbian Army's retreat across Albania to the Greek island of Corfu Link Information: Throughout the journey across the mountains, around 70,000 soldiers and 140,000 civilians froze, starved to death, died of disease or were killed by hostile Albanian tribes between November 1915 and January 1916 Question: How long did the army's retreat to Corfu take?

Answer: 2