CREATE TABLE table_49496 ("Issued" FLOAT, "Type" TEXT, "Design" TEXT, "Serial format" TEXT, "Serials issued" TEXT)

What is the issued serial given in 1966?
SELECT "Serials issued" FROM table_49496 WHERE "Issued" = '1966'
SELECT "Serials issued" FROM "table_49496" WHERE "Issued" = '1966'