Q: Passage: Mariska Magdolna Hargitay (/ mrk hrte / m-RISH-k HAR-ghih-tay; born January 23, 1964) is an American actress best known for her role as Detective / Sergeant / Lieutenant Olivia Benson on the NBC drama series Law & Order: Special Victims Unit, for which she has earned multiple awards and nominations, including winning a Primetime Emmy Award and Golden Globe Award.

Question: Based on this passage, who plays olivia benson on law and order?
Let's give stream of consciousness below
To answer the above question, the relevant sentence is: Mariska Magdolna Hargitay (/ mrk hrte / m-RISH-k HAR-ghih-tay; born January 23, 1964) is an American actress best known for her role as Detective / Sergeant / Lieutenant Olivia Benson on the NBC drama series Law & Order: Special Victims Unit, for which she has earned multiple awards and nominations, including winning a Primetime Emmy Award and Golden Globe Award. So the answer is Mariska Magdolna Hargitay.