Conversation so far:
What did Fred Allen have to do with Broadway?
Fred Allen worked for The Passing Show in 1922. The show played well in its runup to Broadway.
How long did Fred Allen on Broadway run?
The Passing Show in 1922 played well in its runup to Broadway but lasted only ten weeks at the Winter Garden Theatre.
Was The Passing Show in 1922 a hit?
The Passing Show in 1922 played well.

Question: What show was a run up to Broadway?
Self-contained rewrite: What show was a run up to Broadway with Fred Allen?