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: He appeared in The Tom and Jerry Show episode "The Lost Duckling" (1975). Link Information: none Question: How many episodes of The Tom and Jerry Show aired before Little Quacker the duckling was introduced?
Answer: none

Context: On 19 July 2012, Teever made his debut for Levadia when he came on as a second-half substitute in a Europa League match against Cypriot side Anorthosis. Link Information: In December 2011, Marko Kristal was appointed as manager. Question: Who was Levadia's manager when Teever made his debut for the club?
Answer: Marko Kristal

Context: he publication of Black Ranching Frontiers: African Cattle Herders of the Atlantic World, 15001900 (Yale University Press, 2012) Link Information: none Question: Has the university press that published Sluyter's book in 2012 existed longer than the university press that published his book in 2015?
Answer: none