CREATE TABLE table_73273 ("English Name" CLOB, "Simplified" CLOB, "Traditional" CLOB, "Pinyin" CLOB, "Area" FLOAT, "Population" FLOAT, "Density" FLOAT)

What is the traditional with density of 820?
SELECT "Traditional" FROM table_73273 WHERE "Density" = '820'
SELECT "Traditional" FROM "table_73273" WHERE "Density" = '820'