You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Super_Bowl_50

Context:
Six-time Grammy winner and Academy Award nominee Lady Gaga performed the national anthem, while Academy Award winner Marlee Matlin provided American Sign Language (ASL) translation.

Question:
Who sang the national anthem?

Lady Gaga