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