CREATE TABLE table_31458 ("Station" CLOB, "Metlink code" CLOB, "Line ( s ) " CLOB, "Service ( s ) " CLOB, "Serves" CLOB, "km from Wellington" CLOB, "Fare zone ( s ) " CLOB, "Opened" CLOB)

what is the metlink code that opened in 1908?
SELECT "Metlink code" FROM table_31458 WHERE "Opened" = '1908'
SELECT "Metlink code" FROM "table_31458" WHERE "Opened" = '1908'