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Its location within the booming high tech industry as a cultural , political , and economic center has earned the city the nickname " Capital of Silicon Valley " .
 location: Silicon Valley
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Silicon Valley 
Answer:
 location: Silicon Valley