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: Many prefabricated concrete structures, common in the former Warsaw Pact countries, were modernized Link Information: none Question: What countries were part of the pact that saw prefabricated concrete structures modernized?
Answer: none

Context: In that role, Adams negotiated the Adams–Onís Treaty Link Information: The Adams–Onís Treaty () of 1819 Question: In what year was the Adams-Onis Treaty signed?
Answer: 1819

Context: features raps by Juju and Psycho Les, the first on-record performance by Cuban Link Link Information: "Off the Books" is the third single from Stone Crazy, a 1997 album Question: How old was Cuban Link when his first on-recorded performance was released?

Answer: 23