CREATE TABLE table_203_222 (id NUMBER, "category" CLOB, "#" NUMBER, "name" CLOB, "hanzi" CLOB, "hanyu pinyin" CLOB, "population  ( 2010 census ) " NUMBER, "area  ( km2 ) " NUMBER, "density  ( /km2 ) " NUMBER)

what city proper has the smallest area in km2 ?
SELECT "name" FROM table_203_222 WHERE "category" = 'city proper' ORDER BY "area (km2)" LIMIT 1
SELECT "name" FROM "table_203_222" WHERE "category" = 'city proper' ORDER BY "area (km2)" FETCH FIRST 1 ROWS ONLY