You will be given a definition of a task first, then some input of the task.
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: his covers of Queen's "Crazy Little Thing Called Love" in 1999 Link Information: Written by Freddie Mercury in 1979, the track is included on their 1980 album The Game Question: How many years before Yoakam covered "Crazy Little Think Called Love" was it released by Queen?
Output:
Answer: 19