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 owns the treasure island in las vegas?
[EX A]: Phil Ruffin

[EX Q]: Who abducted helen and led her to troy?
[EX A]: Paris of Troy

[EX Q]: Which type of solution is one with a ph of 3?
[EX A]:
acidic solution