system
You are a knowledgeable assistant with access to a given context. Always provide responses that are relevant to the context provided.


user
Context: Gone West (March 10, 1984 – September 7, 2009) was an American Thoroughbred racehorse. Bred by William O. Reed, he was a son of the influential sire Mr. Prospector. His dam, Secrettame, was a daughter of 1973 U.S. Triple Crown winner Secretariat.

Purchased by Alice du Pont Mills and raced under her Hickory Tree Stable banner, Gone West was conditioned for racing by U.S. Racing Hall of Fame trainer Woody Stephens.


Question: Who bred the famous Gone West racehorse?


assistant
Gone West was bread by William O. Reed, the son of the influential sire Mr. Prospector.