CREATE TABLE table_50171 ("Cartridge" CLOB, "Bullet weight" CLOB, "Muzzle velocity" CLOB, "Muzzle energy" CLOB, "Max pressure" CLOB)

What is the muzzle energy with 40,000 psi max pressure?
SELECT "Muzzle energy" FROM table_50171 WHERE "Max pressure" = '40,000 psi'
SELECT "Muzzle energy" FROM "table_50171" WHERE "Max pressure" = '40,000 psi'