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_name_51 (year_to_open VARCHAR, name VARCHAR)
### Question:
What was the Year to Open for the Dandeung Bridge?
### Answer:
SELECT COUNT(year_to_open) FROM table_name_51 WHERE name = "dandeung bridge"