The conversation between human and AI assistant.
Who is the greatest Olympian and why?
Wow, that is impressive! Are there any other Olympians who come close to Phelps' record?
There are a few Olympians who have come close to Phelps' record. For example, gymnast Simone Biles has won a total of 19 Olympic and World Championship medals. However, none have surpassed Phelps' total medal count.