Nick Wall
Riding principally in the United States , over the course of his career , Nick Wall had mounts in each of the American Classic Races with his best result in the Kentucky Derby coming in 1936 when he rode Coldstream to a fourth-place finish . 
<triplet> Nick Wall <subj> United States <obj> country of citizenship <triplet> American Classic Races <subj> United States <obj> country <subj> Kentucky Derby <obj> has part <triplet> Kentucky Derby <subj> United States <obj> country