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 "Huang Shih-hsu"): She competed at the 2012 Summer Olympics in the -69 kg event, finishing in 7th place.
Relevant evidence: No