Пре­об­ра­зуй­те, если это не­об­хо­ди­мо, слово COME так, чтобы оно грам­ма­ти­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

It is interesting to mention that many regions of Russia claim that it was there where the tradition to cook pelmeni once __________________ from.