CREATE TABLE table_17255 ("Station Number" TEXT, "District" TEXT, "Location" TEXT, "Type" TEXT, "Appliances" TEXT, "Registrations" TEXT)

what are all the location where station number is c11
SELECT "Location" FROM table_17255 WHERE "Station Number" = 'C11'
SELECT "Location" FROM "table_17255" WHERE "Station Number" = 'C11'