Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Cartridge | Bullet weight | Muzzle velocity | Muzzle energy | Max pressure |
| --- | --- | --- | --- | --- |
| .38 Short Colt | gr (g) | ft/s (m/s) | 181ft•lbf (245 J) | 7,500 CUP |
| .38 Long Colt | gr (g) | ft/s (m/s) | 201ft•lbf (273 J) | 12,000 CUP |
| .38 S&W | gr (g) | ft/s (m/s) | 206ft•lbf (279 J) | 14,500 PSI |
| .38 S&W Special | gr (g) | ft/s (m/s) | 310ft•lbf (420 J) | 17,000 PSI |
| .38 Special +P | gr (g) | ft/s (m/s) | 351ft•lbf (476 J) | 20,000 PSI |
| .38 Special +P+ | gr (g) | ft/s (m/s) | 295ft•lbf (400 J) | >20,000 PSI |
| .380 ACP | gr (g) | ft/s (m/s) | 178ft•lbf (241 J) | 21,500 PSI |
| 9x19mm Parabellum | gr (g) | ft/s (m/s) | 420ft•lbf (570 J) | 39,200 PSI |
| 9x19mm Parabellum | gr (g) | ft/s (m/s) | 383ft•lbf (520 J) | 39,200 PSI |
| 9x18mm Makarov | gr (g) | ft/s (m/s) | 231ft•lbf (313 J) | 23,206 PSI |
| .38 Super | grains (g) | ft/s (m/s) | 468ft•lbf (634 J) | 36,500 PSI |
| .357 Magnum | grains (g) | ft/s (m/s) | 639ft•lbf (866 J) | 35,000 PSI |
| .357 SIG | grains (g) | ft/s (m/s) | 506ft•lbf (686 J) | 40,000 PSI |
Question:
What is the muzzle energy with 40,000 psi max pressure?
Answer:
506ft•lbf (686 J)