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: JACKs 
Clue: Explaining why he lost the heavyweight championship to Gene Tunney, he said, "I forgot to duck"
[A]: jack dempsey


[Q]: Category: 1796 
Clue: In 1796 this future U.S. president helped draft Tennessee's new constitution
[A]: andrew jackson


[Q]: Category: "COLD" CASE 
Clue: Adjective used to describe ruthless killers & ectothermic animals
[A]:
cold-blooded