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_21490 ( "Cartridge" text, "Bullet weight" text, "Muzzle velocity" text, "Muzzle energy" text, "Max pressure" text )

### Question ###
What is the max pressure of the cartridge where the muzzle energy is 201ft lbf (273 j)?

### Accurate SQL ###

SELECT "Max pressure" FROM table_21490 WHERE "Muzzle energy" = '201ft•lbf (273 J)'