CREATE TABLE table_5631 ("Frequency  ( MHz ) " FLOAT, "Call letters" TEXT, "Licensed location" TEXT, "Type" TEXT, "Format" TEXT)

Frequency (MHz) that has a Type of primary, and a Call letters of ktbb-fm has what total number?
SELECT COUNT("Frequency (MHz)") FROM table_5631 WHERE "Type" = 'primary' AND "Call letters" = 'ktbb-fm'
SELECT COUNT("Frequency (MHz)") FROM "table_5631" WHERE "Call letters" = 'ktbb-fm' AND "Type" = 'primary'