CREATE TABLE table_25966 ("Year" FLOAT, "Host City" TEXT, "Host School" TEXT, "Champion" TEXT, "Second Place" TEXT, "Third Place" TEXT)

Who were the champions in years where michigan technological university was in third place?
SELECT "Champion" FROM table_25966 WHERE "Third Place" = 'Michigan Technological University'
SELECT "Champion" FROM "table_25966" WHERE "Third Place" = 'Michigan Technological University'