CREATE TABLE table_39014 ("Start month" TEXT, "End month" TEXT, "Cover" TEXT, "Spine" TEXT, "Indicia" TEXT, "Masthead" TEXT, "Number of issues" FLOAT)

What is the total number of Issues has a End month of oct-80?
SELECT COUNT("Number of issues") FROM table_39014 WHERE "End month" = 'oct-80'
SELECT COUNT("Number of issues") FROM "table_39014" WHERE "End month" = 'oct-80'