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The election was held on November 3 , 1964 and resulted in a victory for the Democratic nominee , Missouri Secretary of State Warren E. Hearnes , over the Republican candidate , Ethan A.H. Shepley .
 Democratic, Missouri, Warren E. Hearnes, Republican, Ethan A.H. Shepley
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Democratic, Missouri, Warren E. Hearnes, Republican, Ethan A.H. Shepley