Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_3005450_1 (metlink_code VARCHAR, opened VARCHAR)
### Question:
what is the metlink code that opened in 1908?
### Answer:
SELECT metlink_code FROM table_3005450_1 WHERE opened = "1908"