Conversation so far:
what is the oldest public university in the united states
The title of oldest public university in the United States is claimed by three universities.
can you give me the list of three oldest universities
The oldest public university title in the United States is claimed by three universities: University of Georgia, University of North Carolina at Chapel Hill and College of William and Mary.

Question: why three schools
Self-contained rewrite: why are there three schools that are the oldest university