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_21492 ( "Cartridge" text, "Bullet weight" text, "Muzzle velocity" text, "Muzzle energy" text, "Max pressure" text )

### Question ###
What is the bullet weight when the max pressure is 12,000 cup?

### Accurate SQL ###

SELECT "Bullet weight" FROM table_21492 WHERE "Max pressure" = '12,000 CUP'