860
He served as a radio and TV announcer for the San Francisco Giants for nine seasons , as the TV commentator of the Minnesota Twins for 6 seasons , as a TV and radio announcer for the New York Mets for 4 seasons , and as the TV announcer for the Oakland Athletics for 3 seasons .
 organization: San Francisco Giants; organization: Minnesota Twins; organization: New York Mets; organization: Oakland Athletics
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: San Francisco Giants, Minnesota Twins, New York Mets, Oakland Athletics 
Answer:
 organization: San Francisco Giants; organization: Minnesota Twins; organization: New York Mets; organization: Oakland Athletics