CREATE TABLE table_17999 ("Season" FLOAT, "Season Premiere Date" TEXT, "Season Finale Date" TEXT, "Winner" TEXT, "1st Runner Up" TEXT, "2nd Runner Up" TEXT)

When is the season finale of meiyang chang?
SELECT "Season Finale Date" FROM table_17999 WHERE "Winner" = 'Meiyang Chang'
SELECT "Season Finale Date" FROM "table_17999" WHERE "Winner" = 'Meiyang Chang'