What animal produces pearls?

Oyster

In the game series 'Street Fighter', what nationality is the character Chun-Li? Which traditional British dish involves layers of sponge cake, custard, fruit, jelly, and cream? What legendary American producer is known for creating the "Wall of Sound"? What NFL team played home games at RFK Stadium? Which scandal during Warren G. Harding's presidency involved government-leased oil reserves?