Question: What was the nickname of the boxer to which Milton Núñez lost the interim WBA middleweight title?
Sentence (from "Gennady Golovkin"): Gennady Gennadyevich Golovkin (; born 8 April 1982), often known by his nickname "GGG" or "Triple G", is a Kazakhstani professional boxer who currently holds the unified WBA (Super), WBC, IBF, and IBO middleweight titles.
Relevant evidence: Yes