You will be given a definition of a task first, then some input of the task.
In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.

Passage: Born in Mataro, Barcelona, Catalonia, Vila joined local RCD Espanyol's youth system at the age of 10, making his senior debuts in 200809 and helping the reserves promote from the fourth division, as champions. He was promoted to the first team by manager Mauricio Pochettino, making his La Liga debut on 30 January 2010 in a 10 home win against Athletic Bilbao (which, in his own words, came as a "surprise") and ending his first professional season with 11 league games, starting and playing all the minutes in every match as the Pericos finished in mid-table; previously, he appeared with the main squad in the 2008 final of the Copa Catalunya, lost 12 to UE Sant Andreu, and signed a five-year contract with the club shortly after.
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 Answer: 10
Output:
How long was the career of the manager who promoted Vila when he made his La Liga debut on 30 January?