CREATE TABLE table_66086 ("Frequency" CLOB, "Call sign" CLOB, "Branding" CLOB, "Format" CLOB, "Owner" CLOB)

What is the call sign for country station fm 93.1?
SELECT "Call sign" FROM table_66086 WHERE "Format" = 'country' AND "Frequency" = 'fm 93.1'
SELECT "Call sign" FROM "table_66086" WHERE "Format" = 'country' AND "Frequency" = 'fm 93.1'