Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_26389588_1 (primary_cartridge VARCHAR, year_of_introduction VARCHAR, country_of_origin VARCHAR)

### Question ###
If the Country of Origin is Denmark and the year of introduction is 1962, what is the primary cartridge?

### Accurate SQL ###

SELECT primary_cartridge FROM table_26389588_1 WHERE year_of_introduction = "1962" AND country_of_origin = "Denmark"