328404
Delbert McClinton ( born November 4 , 1940 ) is an American blues rock and electric blues singer-songwriter , guitarist , harmonica player , and pianist .
 Delbert McClinton
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Delbert McClinton