Question: What is the name of the race that is known as the test of the champion? 
Sentence (from "2016 Belmont Stakes"): The 1+1/2 mi race, known as the "test of the champion", is the final jewel in Thoroughbred horse racing's American Triple Crown series, and was held on June 11, 2016, three weeks after the Preakness Stakes and five weeks after the Kentucky Derby.
Relevant evidence: Yes