American Horse of the Year

Columns: Year | Horse | Trainer | Owner | Age | Gender
1942 | Whirlaway | Ben A. Jones | Calumet Farm | 4 | C | 1941 | Whirlaway | Ben A. Jones | Calumet Farm | 3 | C | 1940 | Challedon | Louis J. Schaefer | Branncastle Farm | 4 | C | 1939 | Challedon | Louis J. Schaefer | Branncastle Farm | 3 | C | 1938 | Seabiscuit | Tom Smith | Charles S. Howard | 5 | C | 1937 | War Admiral | George Conway | Glen Riddle Farm | 3 | C | 1936 | Granville | Jim Fitzsimmons | William Woodward , Sr | 3 | C

Example questions:
Where was the trainer of Armed , American horse of the year , born ? | When was the American horse of the year owned by Glen Riddle Farm born ? | In what year was the story of the American horse of the year trained by Tom Smith made into a motion picture ? | How many starts did the American horse of the year trained by George Conway win ?

Answers:
Parnell , Missouri | May 2 , 1934 | 2003 | 21