CREATE TABLE table_421 ("Symbol" CLOB, "Description" CLOB, "Success" CLOB, "Date of completion" CLOB, "Deadline for completion" CLOB)

what is the total number of deadline for completion where description is facebook becomes a publicly traded company
SELECT COUNT("Deadline for completion") FROM table_421 WHERE "Description" = 'Facebook becomes a publicly traded company'
SELECT COUNT("Deadline for completion") FROM "table_421" WHERE "Description" = 'Facebook becomes a publicly traded company'