user: Question: What is the payload for Class MRBM, and a range of 1,930km?
Columns: ['Name/Designation', 'Class', 'Range (varies with payload weight)', 'Payload', 'Status']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Fajr-3', 'MRBM', '2,000km', '800kg', 'Operational']
SQL:

assistant: SELECT "Payload" FROM "Table" WHERE "Class" = 'MRBM' AND "Range (varies with payload weight)" = '1,930km';