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Education Rabbi Dr. Apfel received his BA degree from Columbia University in 1985 , and his medical degree Summa Cum Laude from the State University of New York , Downstate in 1989 , and completed his residency at Schneider Children ’s Hospital .
 Rabbi, Apfel, Columbia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Rabbi, Apfel, Columbia