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]: who plays selina on once upon a time
[A]: Rebecca Leigh Mader


[Q]: who played artemus gordon in the wild wild west
[A]: Ross Martin


[Q]: who won the title of world chess championship in 2017
[A]:
Armenian grandmaster Levon Aronian