Read the text and determine if the sentence is true:

William Fernando Souza Bezerra (born 20 September 1984) is a Brazilian cruiserweight professional boxer. Bazerra is the current South American cruiserweight champion and a former Brazilian, WBC Mundo Hispano, WBA Fedelatin and WBA Fedebol cruiserweight champion.

Sentence: William Fernando Souza Bezerra won a large stipend when he became the South American cruiserweight champion.
It's impossible to say