Conversation so far:
When did Sheila E. start directing?
Sheila E. started directing in 1987
What did Sheila E. direct?
Sheila E. served as Prince's drummer and musical director in his band during the tours from 1987 to 1989.
Did Sheila E. win any awards for directing

Question: When was the concert
Self-contained rewrite: When was the Prince's One Nite Alone