Question: The River Bush's tributary, Saint Columb's Rill, is used to source which distillery in Northern Ireland?
Sentence (from "Old Bushmills Distillery"): All of the whiskey bottled under the Bushmills whiskey brand is produced at the Bushmills Distillery and uses water drawn from Saint Columb's Rill, which is a tributary of the River Bush.
Relevant evidence: Yes