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.

[EX Q]: Category: SCIENTIFIC MNEMONICS
Clue: "Kings play chess on finely grained sand" is a mnemonic device used to help remember a system devised by this scientist
[EX A]: carolus linnaeus

[EX Q]: Category: FAMOUS FIRSTS
Clue: In 1876 this man became the first person not to get a busy signal on the other end of a phone line
[EX A]: alexander graham bell

[EX Q]: Category: HORSE BREEDS
Clue: This American breed was named for its ability to race a distance of 1,320 feet
[EX A]:
quarter horse