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.

[Q]: Who is the host of khatron ke khiladi 2017?
[A]: Rohit Shetty


[Q]: Which element begins the fourth group of the periodic table?
[A]: Titanium


[Q]: Actress who played millie on a different world?
[A]:
Marie-Alise Recasner