Question: Silver Birch was the winner of the John Smith's Grand National, not to be confused with the John Smith ________ in Tadcaster England?
Sentence (from "Silver Birch (horse)"): He was owned through the first part of his career by Paul Barber and Des Nichols, then from 2006 by Brian Walsh from County Kildare, Ireland, a farmer and stud owner.
Relevant evidence: No