CREATE TABLE table_53433 ("Name" CLOB, "Hanzi" CLOB, "Hanyu Pinyin" CLOB, "Uyghur  (  UEY  ) " CLOB, "Uyghur Latin  (  ULY  ) " CLOB, "Population  ( 2010 Census ) " CLOB, "Area  ( km\\u00b2 ) " CLOB, "Density  ( /km\\u00b2 ) " CLOB)

What is the Hanyu Pinyin with a density of 39.63?
SELECT "Hanyu Pinyin" FROM table_53433 WHERE "Density (/km\u00b2)" = '39.63'
SELECT "Hanyu Pinyin" FROM "table_53433" WHERE "Density (/km\u00b2)" = '39.63'