user: Question: If the Country of Origin is Denmark and the year of introduction is 1962, what is the primary cartridge?
Columns: ['Name / designation', 'Year of introduction', 'Country of origin', 'Primary cartridge', 'primary user']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Armalite AR-10', '1957', 'United States', '7.62x51mm NATO', 'Portugal, Sudan']
SQL:

assistant: SELECT "Primary cartridge" FROM "Table" WHERE "Year of introduction" = '1962' AND "Country of origin" = 'Denmark';