In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

[EX Q]: Who invented the first curling iron in 1872?
[EX A]: Francois Marcel Grateau

[EX Q]: Who played vince vaughn's wife in couples retreat?
[EX A]: Malin Maria Åkerman

[EX Q]: Brown bird with yellow tipped tail and red tipped wings?
[EX A]:
Bombycilla cedrorum