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.

Question: What is the major hockey league team of Bern?
Answer: SC Bern

Question: Where do they play?
Answer: PostFinance Arena

Question: What year was the IIHF Ice Hockey World Championship held in Bern?
Answer: 2009