Conversation so far:
When did Jahlil Okafor's junior high school season start?
On September 19 John Calipari made Okafor an offer to play for Kentucky.
How long did Jahlil Okafor play for the Duke Blue Devils?
Okafor played one season of college basketball for Duke.

Question: did he play for anyone else?
Self-contained rewrite: Did Jahlil Okafor play for anyone else besides Duke University and Whitney M. Young Magnet High School?