American Champion Three-Year-Old Male Horse

Columns: Year | Horse | Trainer | Owner
2018 | Justify | Bob Baffert | China Horse Club , Head of Plains Partners , Starlight Racing 7 WinStar Farm | 2017 | West Coast | Bob Baffert | Gary and Mary West | 2016 | Arrogate | Bob Baffert | Juddmonte Farms | 2015 | American Pharoah | Bob Baffert | Zayat Stables | 2014 | California Chrome | Art Sherman | Steven Coburn , Perry Martin | 2013 | Will Take Charge | D. Wayne Lukas | Willis D. Horton | 2012 | I 'll Have Another | Doug F. O'Neill | J. Paul Reddam

Example questions:
In which year was the Champion 3-year-old horse first to attract attention with a win in his first start ? | In which year was the Champion 3-year-old horse who became the first to win the Grand Slam of Thoroughbred racing ? | In which year was the Champion 3-year-old horse the all-time leading money earner in North America ? | In which year was the Champion 3-year-old horse foaled on April 13 , 2010 ?

Answers:
2018 | 2015 | 2016 | 2013