CREATE TABLE table_12329 ("Name" TEXT, "No. Specimens" FLOAT, "Abbr." TEXT, "Country" TEXT, "City" TEXT)

What is the abbreviation for the University of Tartu?
SELECT "Abbr." FROM table_12329 WHERE "Name" = 'university of tartu'
SELECT "Abbr." FROM "table_12329" WHERE "Name" = 'university of tartu'