CREATE TABLE table_5630 ("Frequency  ( MHz ) " FLOAT, "Call letters" TEXT, "Licensed location" TEXT, "Type" TEXT, "Format" TEXT)

Type of primary, and a Call letters of kbjs has what format?
SELECT "Format" FROM table_5630 WHERE "Type" = 'primary' AND "Call letters" = 'kbjs'
SELECT "Format" FROM "table_5630" WHERE "Call letters" = 'kbjs' AND "Type" = 'primary'