CREATE TABLE table_18755 ("Frequency" CLOB, "Call sign" CLOB, "Name" CLOB, "Format" CLOB, "Owner" CLOB, "Target city/ market" CLOB, "City of license" CLOB)

What are the market city/market(s) for Rapid City Alternative format?
SELECT "Target city/ market" FROM table_18755 WHERE "City of license" = 'Rapid City' AND "Format" = 'Alternative'
SELECT "Target city/ market" FROM "table_18755" WHERE "City of license" = 'Rapid City' AND "Format" = 'Alternative'