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.

Category: INSECTS 
Clue: This snout beetle reached Texas from Mexico around 1890 & spread into most cotton-growing areas of the U.S.
the boll weevil

Category: AMERICAN INDIANS 
Clue: When this chief, Pocahontas' father, died in 1618, he was succeeded by his brother Opitchapam
powhatan

Category: PLANES, TRAINS & AUTOMOBILES 
Clue: Named for its builder, it's the innovative make of car seen here with its distinctive doors

delorean