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He held a bachelor 's degree in law ( 1948 ) and a PhD in political science and economics ( 1956 ) , both of which he received from the University of Complutense in Madrid .
 the University of Complutense, Madrid
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 the University of Complutense, Madrid