CREATE TABLE table_24477 ("No. in series" TEXT, "No. in season" TEXT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT)

How many titles were written by Don Shank and Genndy Tartakovsky?
SELECT COUNT("Title") FROM table_24477 WHERE "Written by" = 'Don Shank and Genndy Tartakovsky'
SELECT COUNT("Title") FROM "table_24477" WHERE "Written by" = 'Don Shank and Genndy Tartakovsky'