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_name_12 ( payload VARCHAR, class VARCHAR, range__varies_with_payload_weight_ VARCHAR )

### Question ###
What is the payload for Class MRBM, and a range of 1,930km?

### Accurate SQL ###

SELECT payload FROM table_name_12 WHERE class = "mrbm" AND range__varies_with_payload_weight_ = "1,930km"