Conversation so far:
when was the last time the browns had a winning season
2007 was the most recent winning season for the Cleveland Browns.
who founded the team cleveland browns
The Cleveland Browns franchise was founded in 1945 by Paul Brown and businessman Arthur B. McBride.
who is the mascot for cleveland browns
The Cleveland Browns' mascots are Chomps, Swagger, Brownie the Elf.
what are the team colors of cleveland browns
The Cleveland Browns' colors are Brown, orange, white.

Question: why are the team's helmets unique
Self-contained rewrite: why are the cleveland browns' helmets unique