
Extract the answer to the question from the following context.
Question: There is a stadium located in Bern that normally hosts ice hockey teams, what did it host in the first decade of the 21st century?
Context: SC Bern is the major ice hockey team of Bern who plays at the PostFinance Arena. The team has ranked highest in attendance for a European hockey team for more than a decade. The PostFinance Arena was the main host of the 2009 IIHF Ice Hockey World Championship, including the opening game and the final of the tournament.

2009 IIHF Ice Hockey World Championship
