Detailed Instructions: In this task, you are given a question and a context passage. You have to answer the question based on the given passage.
Q: How do we know that Fredericks is an awesome athlete?, Context: Inline hockey was first played in 1995 and has also become more and more popular in the last years. The Women's inline hockey National Team participated in the 2008 FIRS World Championships. Namibia is the home for one of the toughest footraces in the world, the Namibian ultra marathon. The most famous athlete from Namibia is Frankie Fredericks, sprinter (100 and 200 m). He won four Olympic silver medals (1992, 1996) and also has medals from several World Athletics Championships. He is also known for humanitarian activities in Namibia and beyond.
A:
He won four Olympic silver medals (1992, 1996) and also has medals from several World Athletics Championships