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By the mid 1970s , he had switched to civil service , becoming Commissioner of Employment and Training for Rensselaer County and Deputy County Executive .
 location: Rensselaer County
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: Rensselaer County