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A dominant Oakland team took the Series four games to one , en route to a sweep of their cross-bay rivals , the San Francisco Giants , in a World Series marred by the destructive Loma Prieta earthquake .
 Oakland, Francisco Giants
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Oakland, Francisco Giants