CREATE TABLE table_23015 ("Call sign" CLOB, "Frequency" CLOB, "City of License" CLOB, "Licensee" CLOB, "Format" CLOB)

When 1180 am is the frequency how many call signs are there?
SELECT COUNT("Call sign") FROM table_23015 WHERE "Frequency" = '1180 AM'
SELECT COUNT("Call sign") FROM "table_23015" WHERE "Frequency" = '1180 AM'