Conversation so far:
when was the us bill of rights written
The United States Bill of Rights was created September 25, 1789.
when was the us constitution written
The Constitution was written during the Philadelphia Convention—now known as the Constitutional Convention—which convened from May 25 to September 17, 1787.
how many people signed the us constitution
Only thirty-nine delegates actually signed the Constitution.
how many delegates in total were at the constitutional convention
In all, 55 delegates attended the Constitutional Convention sessions.

Question: where was the convention held
Self-contained rewrite: where was the constitutional convention held