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.

Who plays olivia on law and order svu?
Mariska Hargitay
Mariska Hargitay plays Olivia Benson on Law and Order: SVU. Her character is the lead character of the show..