How many different dates of issue are the for the coin with kumsusan memorial palace on the obverse?
CREATE TABLE table_298883_5 (date_of_issue VARCHAR, obverse VARCHAR)
SELECT COUNT(date_of_issue) FROM table_298883_5 WHERE obverse = "Kumsusan Memorial Palace"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_298883_5 (date_of_issue VARCHAR, obverse VARCHAR) Question: How many different dates of issue are the for the coin with kumsusan memorial palace on the obverse? [/INST] SELECT COUNT(date_of_issue) FROM table_298883_5 WHERE obverse = "Kumsusan Memorial Palace" </s>