Who is the most decorated olympian of all time?
Michael Phelps is the most decorated olympian winning a total of 28 medals.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Who is the most decorated olympian of all time?
### Input: 
### Response: Michael Phelps is the most decorated olympian winning a total of 28 medals.