Conversation so far:
Where was Greg LeMond born?
Greg LeMond was born in Lakewood, California.
What was Greg LeMond's childhood like?
Greg LeMond was raised in the Washoe Valley, ranch country on the eastern slopes of the Sierra Nevada mountain range between Reno and Carson City, Nevada.

Question: How old was he when he made the U.S. team?
Self-contained rewrite: How old was Greg LeMond when he made the U.S. team?