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:
Madonna_(entertainer)

Context:
By 2013, Madonna's Raising Malawi organization built ten schools to educate 4,000 children in Malawi at a value of $400,000. When Madonna visited the schools in April 2013, President of Malawi Joyce Banda expressed criticism of the star and her charity, accusing her of exaggerating her charity's contribution. Madonna responded by releasing a statement saying she was saddened that Banda had chosen to act negatively about her endeavors. "I have no intention of being distracted by these ridiculous allegations," she added. Later, it was confirmed that Banda had not approved the statement released written by her press team and was "incandescent with anger" over the mix-up.

Question:
Who criticized Madonna's charity efforts, stating that she exaggerated her contributions?

President of Malawi Joyce Banda