CREATE TABLE table_31717 ("Frequency" CLOB, "Call sign" CLOB, "Branding" CLOB, "Format" CLOB, "Owner" CLOB)

Who is the owner with a call sign of cjgx?
SELECT "Owner" FROM table_31717 WHERE "Call sign" = 'cjgx'
SELECT "Owner" FROM "table_31717" WHERE "Call sign" = 'cjgx'