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:
Kanye_West

Context:
In February 2016, West again became embroiled in controversy when he posted a tweet seemingly asserting Bill Cosby's innocence in the wake of over 50 women making allegations of sexual assault directed at Cosby.

Question:
What celebrity knee-deep in controversy did Kanye endorse in a 2016 tweet?

Bill Cosby