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_298883_5 (dimensions VARCHAR, reverse VARCHAR)
### Question:
What are the dimensions of the coin with western sea barrage and locks at taedong gang on the reverse side?
### Answer:
SELECT dimensions FROM table_298883_5 WHERE reverse = "Western sea barrage and locks at Taedong Gang"