Detailed Instructions: 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.
Problem:Category: HISTORIC FIRSTS 
Clue: The brother of this leader is believed to be the first known European to have died in the Americas
Solution:
leif ericson