CREATE TABLE table_47535 ("Frequency" TEXT, "Call sign" TEXT, "Location" TEXT, "Name / Format" TEXT, "Owner" TEXT)

Which Location has a Call sign of cjtw-fm?
SELECT "Location" FROM table_47535 WHERE "Call sign" = 'cjtw-fm'
SELECT "Location" FROM "table_47535" WHERE "Call sign" = 'cjtw-fm'