Q: 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 was promoted to the first team by manager Mauricio Pochettino, making his La Liga debut on 30 January Link Information: Pochettino began his managerial career at Espanyol in January 2009, remaining in the post for nearly four years. He then managed in the Premier League, first with Southampton where he led them to an eighth-placed finish in the 201314 season Question: How long was the career of the manager who promoted Vila when he made his La Liga debut on 30 January?
A:
Answer: 10