318838
William O. Cowger ( January 1 , 1922 – October 2 , 1971 ) , a Republican , served as mayor of Louisville , Kentucky and as a member of the United States House of Representatives .
 O. Cowger, Republican, Louisville , Kentucky
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 O. Cowger, Republican, Louisville , Kentucky