Question: Ryan Held, is an American freestyle swimmer who specializes in the sprint events, in the final he split 47.73 on the third leg, winning the gold medal together with Caeleb Dressel, Nathan Adrian and who, which American former competitive swimmer and the most decorated Olympian of all time, with a total of 28 medals?
Sentence (from "Park Tae-hwan"): He won a gold medal in the 400-meter freestyle and a silver in the 200-meter freestyle events at the 2008 Summer Olympics.
Relevant evidence: No