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J. W. Crowdus attended St. Saint Louis University Medical College at St. Louis University. Dr. Crowdus practiced medicine in Robertson County, Tennessee and Neosho, Newton County, Missouri before coming to Texas. He joined the 3rd Missouri Infantry as a Surgeon. He appears on a list of Confederate soldiers in hospital at Elm Springs, Arkansas paroled by G. W. Kelly, Major 4th Cavalry Regt., Missouri on November 2, 1862. After the Civil War, Dr. Crowdus and family moved to Dallas, Texas where he set up practice and became involved in civic affairs. He was elected Dallas city alderman in 1875 and served until 1878. In 1881 he was elected mayor of Dallas and served until 1883. Dr. Crowdus was also a prominent druggist and established a wholesale firm, J.W. Crowdus Drug Company in 1884.
 education institution: J. W. Crowdus, Saint Louis 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:  J. W. Crowdus, Saint Louis University 
Answer:
 education institution: J. W. Crowdus, Saint Louis University