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:
His poor physical health made him short-tempered and even harsher in his writings and comments. His wife Katharina was overheard saying, "Dear husband, you are too rude," and he responded, "They are teaching me to be rude." In 1545 and 1546 Luther preached three times in the Market Church in Halle, staying with his friend Justus Jonas during Christmas.

Question:
How many times did Luther preach in Halle in 1545 and 1546?

three times