CREATE TABLE table_17254 ("Station Number" TEXT, "District" TEXT, "Location" TEXT, "Type" TEXT, "Appliances" TEXT, "Registrations" TEXT)

what are all the registrations where station number is c26
SELECT "Registrations" FROM table_17254 WHERE "Station Number" = 'C26'
SELECT "Registrations" FROM "table_17254" WHERE "Station Number" = 'C26'