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: , Upper Paleolithic tools made of fossil wood have been found in the Haora and Khowai valleys. Link Information: none Question: Which is the oldest valley that Upper Paleolithic tools were found in?
Answer: none

Context: She appeared as Brangäne in Wagner's Tristan und Isolde, as Fricka in his Die Walküre, as Ortrud in his Lohengrin, Link Information: t was composed between 1857 and 1859  Question: Which of Wagner's operas that Cavelti starred in was written first?
Answer:  Lohengrin,

Context: the band released its debut album Čovek (A Man) Link Information: none Question: Which Gordi studio album was their bestseller?

Answer: none