Conversation so far:
What was Gene Tierney in on Broadway?
In Gene Tierney's first role on Broadway, she carried a bucket of water across the stage in What a Life!.
Did Gene Tierney have other roles on Broadway besides carrying water in What a Life?
Gene Tierney appeared in the role of Molly O'Day in the Broadway production Mrs. O'Brien Entertains.

Question: How long did she perform on Broadway?
Self-contained rewrite: How long did Gene Tierney perform on Broadway?