Read this: Sven-Göran Eriksson took charge of the team between 2001 and 2006, and was the first non–English manager of England. Despite controversial press coverage of his personal life, Eriksson was consistently popular with the majority of fans.[citation needed] He guided England to the quarter-finals of the 2002 FIFA World Cup, UEFA Euro 2004, and the 2006 FIFA World Cup. He lost only five competitive matches during his tenure, and England rose to an No.4 world ranking under his guidance. His contract was extended by the Football Association by two years, to include UEFA Euro 2008. However, it was terminated by them at the 2006 FIFA World Cup's conclusion.
Now answer this question, if there is an answer (If it cannot be answered, return "unanswerable"): In what year did Sven-Göran Eriksson become the manager of England's football team?
2001