CREATE TABLE table_8644 ("Frequency" CLOB, "Call sign" CLOB, "Branding" CLOB, "Format" CLOB, "Owner" CLOB)

What is the Format of AM 980?
SELECT "Format" FROM table_8644 WHERE "Frequency" = 'am 980'
SELECT "Format" FROM "table_8644" WHERE "Frequency" = 'am 980'