53667
The Regulators included Billy the Kid , Charlie Bowdre , John Middleton , Frank Coe , George Coe , and Doc Scurlock .
 Billy, Kid, Charlie Bowdre, John Middleton, Frank Coe, George Coe, Doc Scurlock
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Billy, Kid, Charlie Bowdre, John Middleton, Frank Coe, George Coe, Doc Scurlock