CREATE TABLE table_1737 ("Episode" FLOAT, "Original title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original airdate" TEXT, "Duration" TEXT, "Viewership" TEXT)

Name the total number of original titles written by john sullivan and keith lindsay
SELECT COUNT("Original title") FROM table_1737 WHERE "Written by" = 'John Sullivan and Keith Lindsay'
SELECT COUNT("Original title") FROM "table_1737" WHERE "Written by" = 'John Sullivan and Keith Lindsay'