5947
In 2007 , he appeared alongside other celebrities , as well as regular people , in the music video for " Rockstar " by Nickelback .
 organization: Nickelback
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Nickelback