CREATE TABLE table_7986 ("Frequency" CLOB, "Call sign" CLOB, "Branding" CLOB, "Format" CLOB, "Owner" CLOB)

Which call sign has a frequency of FM 105.3?
SELECT "Call sign" FROM table_7986 WHERE "Frequency" = 'fm 105.3'
SELECT "Call sign" FROM "table_7986" WHERE "Frequency" = 'fm 105.3'