CREATE TABLE table_30013 ("Series #" FLOAT, "Episode #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT)

Which episodes did Katie Palmer write?
SELECT "Title" FROM table_30013 WHERE "Written by" = 'Katie Palmer'
SELECT "Title" FROM "table_30013" WHERE "Written by" = 'Katie Palmer'