CREATE TABLE table_22269839_1 (directed_by VARCHAR, written_by VARCHAR)

Who directed the title written by cherry chevapravatdumrong?
SELECT directed_by FROM table_22269839_1 WHERE written_by = "Cherry Chevapravatdumrong"
SELECT "directed_by" FROM "table_22269839_1" WHERE "Cherry Chevapravatdumrong" = "written_by"