21949
No other cast member featured in more than six episodes , as the particular skills of their character were called on to assist in a case germane to their speciality , such as the laboratory expert , the psychiatrist , the pathologist or the graphologist .
 pathologist
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 pathologist