You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

[Q]: Category: SPORTS TALK 
Clue: In a game of tennis, deuce is the same as 3 points all, which is called this tie score
[A]: 40-to-40


[Q]: Category: BEER 
Clue: Lambic beer, fermented by wild yeasts, is mainly made in this Low Country
[A]: belgium


[Q]: Category: SCIENCE 
Clue: On June 1, 1831, James Clark Ross discovered this when a compass needle he was holding pointed straight down
[A]:
magnetic north pole