The conversation between human and AI assistant.
[|Human|] Extract the number of fights Hunt won by knockout or TKO in the below text and the year he had the most knockout wins
[|AI|] Mark Hunt won four fights via knockout/TKO with two of these wins coming in 2015
[|Human|] 
Extract the number of fights Hunt won by knockout or TKO in the below text and the year he had the most knockout wins