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North Callahan (August 7, 1908 -- December 28, 2004) was an American historian and scholar. Born in Sweetwater, Tennessee, he was educated at the Tennessee Military Institute and the University of Chattanooga, where he graduated cum laude in 1930. He later earned a master's degree from Columbia University and a Ph.D. from New York University. He authored numerous articles and 17 books, and some of those have received various awards. In 1964, Callahan was awarded an honorary doctorate from his alma mater, the University of Chattanooga. While working as a correspondent for The Dallas Morning News, he wrote a syndicated column, and also served in the U.S. Army where he was eventually promoted to the rank of lieutenant colonel.
 education institution: North Callahan, Columbia University
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
 Entity Pairs:  North Callahan, Columbia University 
Answer:
 education institution: North Callahan, Columbia University