CREATE TABLE table_55250 ("Year" CLOB, "President" CLOB, "Vice President" CLOB, "Gen.-Secretary" CLOB, "Treasurer" CLOB)

Who was president Year of 2002-2003, second semester?
SELECT "President" FROM table_55250 WHERE "Year" = '2002-2003, second semester'
SELECT "President" FROM "table_55250" WHERE "Year" = '2002-2003, second semester'