CREATE TABLE table_20720 ("English Name" TEXT, "Simplified" TEXT, "Traditional" TEXT, "Pinyin" TEXT, "Area" TEXT, "Population" FLOAT, "Density" TEXT)

Name the pinyin for where population is 44617
SELECT "Pinyin" FROM table_20720 WHERE "Population" = '44617'
SELECT "Pinyin" FROM "table_20720" WHERE "Population" = '44617'