What was the title held in 2015 by Gennady Golovkin's opponent in the boxing match on HBO pay-per-view at Madison Square Garden on October 17, 2015?
Gennady Golovkin vs. David Lemieux: Gennady Golovkin vs David Lemieux was a boxing title fight broadcast on HBO pay-per-view at Madison Square Garden on October 17, 2015.
i don't know