870
In 1957 she earned a bachelor 's degree from Barnard College , and she earned a master ’s degree in 1959 and a Ph.D. in 1961 , both from Columbia University .
 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:
 Columbia