The conversation between human and AI assistant.
[|Human|] Who received the maximum number of Oscar awards of all time?
[|AI|] While there are many actors who received more than 1 Oscar award, Katharine Hepburn has received 4 Oscar awards. There are also a few actors who received 3 Oscar awards for their performances.
[|Human|] 
Who received the maximum number of Oscar awards of all time?