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He played as a first baseman in Major League Baseball from to , most notably as a member of the San Francisco Giants .
 organization: Major League Baseball; organization: San Francisco Giants
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: Major League Baseball; organization: San Francisco Giants