In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.

[Q]: where is britain's got talent semi finals held
[A]: Elstree Studios


[Q]: what is the base of an isosceles triangle
[A]: the third side


[Q]: when did the last episode of naruto shippuden air
[A]:
March 23, 2017