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: The Rock & Roll Hall of Fame featured it as one of 500 Songs that Shaped Rock and Roll in 2007. Link Information: none Question: How many titles were in the Library of Congress the year the Rock & Roll Hall of Fame featured "What'd I Say" as one of the 500 Songs that Shaped Rock and Roll?
Answer: none