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:
Archbishop Albrecht of Mainz and Magdeburg did not reply to Luther's letter containing the 95 Theses. He had the theses checked for heresy and in December 1517 forwarded them to Rome. He needed the revenue from the indulgences to pay off a papal dispensation for his tenure of more than one bishopric. As Luther later noted, "the pope had a finger in the pie as well, because one half was to go to the building of St Peter's Church in Rome".

Question:
What did Albrecht need the indulgences to pay for?

papal dispensation