CREATE TABLE table_17390 ("Series #" FLOAT, "Season #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT)

Name the number of titles written by adam i. lapidus
SELECT COUNT("Title") FROM table_17390 WHERE "Written by" = 'Adam I. Lapidus'
SELECT COUNT("Title") FROM "table_17390" WHERE "Written by" = 'Adam I. Lapidus'