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:
The_Legend_of_Zelda:_Twilight_Princess

Context:
In the PAL region, which covers most of Africa, Asia, Europe, and Oceania, Twilight Princess is the best-selling entry in the Zelda series. During its first week, the game was sold with three of every four Wii purchases. The game had sold 5.82 million copies on the Wii as of March 31, 2011[update], and 1.32 million on the GameCube as of March 31, 2007[update].

Question:
What region is Twilight Princess the best -selling Zelda entry?

PAL region