CREATE TABLE table_202_68 (id NUMBER, "value" CLOB, "diameter" CLOB, "composition" CLOB, "1979-1989\ obverse" CLOB, "1979-1989\ reverse" CLOB)

what is on the obverse side of each coin ?
SELECT DISTINCT "1979-1989\nobverse" FROM table_202_68
SELECT DISTINCT "1979-1989\nobverse" FROM "table_202_68"