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: "La balsa" was written by Litto Nebbialead vocalist of the bandand Tanguito (credited as Ramses) on May 2, 1967 Link Information: Litto Nebbia (born 21 July 1948) Question: At what age did Litto Nebbia write La balsa?
Output:
Answer: 19