CREATE TABLE table_22610 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT)

Name the total number of written by for original air date for may 8, 2005
SELECT COUNT("Written by") FROM table_22610 WHERE "Original air date" = 'May 8, 2005'
SELECT COUNT("Written by") FROM "table_22610" WHERE "Original air date" = 'May 8, 2005'