CREATE TABLE table_204_10 (id NUMBER, "ecclesiastical jurisdictions" CLOB, "latin name" CLOB, "type" CLOB, "rite" CLOB, "ecclesiastical province" CLOB, "established" CLOB, "area  ( km2 ) " NUMBER)

what diocese has the least area ?
SELECT "ecclesiastical jurisdictions" FROM table_204_10 ORDER BY "area (km2)" LIMIT 1
SELECT "ecclesiastical jurisdictions" FROM "table_204_10" ORDER BY "area (km2)" FETCH FIRST 1 ROWS ONLY