CREATE TABLE table_20721 ("English Name" CLOB, "Simplified" CLOB, "Traditional" CLOB, "Pinyin" CLOB, "Area" CLOB, "Population" FLOAT, "Density" CLOB)

Name the pinyin for 487 area
SELECT "Pinyin" FROM table_20721 WHERE "Area" = '487'
SELECT "Pinyin" FROM "table_20721" WHERE "Area" = '487'