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It is located west of the San Joaquin Valley and south of San Francisco Bay and the Santa Clara Valley , or Silicon Valley .
 location: San Joaquin Valley; location: San Francisco Bay; location: Santa Clara Valley; location: Silicon Valley
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:
 location: San Joaquin Valley; location: San Francisco Bay; location: Santa Clara Valley; location: Silicon Valley