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:
American_Idol

Context:
From seasons four to seven and nine, the twenty-four semi-finalists were divided by gender in order to ensure an equal gender division in the top twelve. The men and women sang separately on consecutive nights, and the bottom two in each groups were eliminated each week until only six of each remained to form the top twelve.

Question:
How many women were semi-finalists on season six of American Idol?

twelve