Conversation so far:
When was George Foreman's Sunshine Showdown boxing match?
The Sunshine Showdown took place on January 22, 1973, in Kingston, Jamaica.
Where was the George Foreman's Sunshine Showdown boxing match?
Joe Frazier vs. George Foreman, billed as The Sunshine Showdown, was a professional boxing match in Kingston, Jamaica.
Who won the Sunshine Showdown boxing match?
George Foreman was declared the winner at 1:35 of the second round, to become, at the time, the third-youngest heavyweight champion in history.
Was George Foreman fighting for a boxing title in the Sunshine Showdown?
The Sunshine Showdown, was a professional boxing match in Kingston, Jamaica contested on January 22, 1973, for the WBA, WBC and The Ring heavyweight championships.

Question: Did he win by knock out?
Self-contained rewrite: Did George Foreman win the Sunshine Showdown by knock out?