Question: Manuel "Manny" Sobral, is a former boxer, competing in the welterweight (– 69 kg) division, a resident of Vancouver, British Columbia, he represented Canada at which event that took place in the "Chamshil Students' Gymnasium" in Seoul between September the 17th and October the 2nd in 1988?
Sentence (from "Manuel Sobral"): He has taught at Burnaby North Secondary School.
Relevant evidence: No