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:
Martin_Luther

Context:
In 1501, at the age of 19, he entered the University of Erfurt, which he later described as a beerhouse and whorehouse. He was made to wake at four every morning for what has been described as "a day of rote learning and often wearying spiritual exercises." He received his master's degree in 1505.

Question:
Where did Martin Luther go to school?

University of Erfurt