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\*.

who plays the queen in 300 rise of an empire
Lena Headey

in georgia how old do you have to be to get a tattoo
18

who is nathan riggs in grey's anatomy

portrayed by actor Martin Henderson