CREATE TABLE table_28788 ("No." FLOAT, "#" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Patient Portrayer" TEXT, "Original air date" TEXT, "Production code" TEXT)

The episode with the no. 54, directed by Charles Haid, is written by who?
SELECT "Written by" FROM table_28788 WHERE "Directed by" = 'Charles Haid' AND "No." = '54'
SELECT "Written by" FROM "table_28788" WHERE "Directed by" = 'Charles Haid' AND "No." = '54'