CREATE TABLE table_14502 ("Status" TEXT, "Name" TEXT, "First Performance" TEXT, "Last Performance" TEXT, "Style" TEXT)

What is the date of the First Performance of Rhys Kosakowski as Billy Elliot in the Original Cast?
SELECT "First Performance" FROM table_14502 WHERE "Status" = 'original cast' AND "Name" = 'rhys kosakowski'
SELECT "First Performance" FROM "table_14502" WHERE "Name" = 'rhys kosakowski' AND "Status" = 'original cast'