<prompt> Translate the following text to EnglishKatika miaka ya 1930, Walter Knott alianza kukuza aina mpya ya matunda ya berry, boysenberry, na hivi karibuni ikawa biashara yenye kusitawi.  <response>: In the 1930s Walter Knott began growing a new strain of berry, the boysenberry, and it soon became a booming enterprise. 