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:
BeiDou_Navigation_Satellite_System

Context:
According to Sun Jiadong, the chief designer of the navigation system, "Many organizations have been using our system for a while, and they like it very much."

Question:
What did Sun Jiadong have to say about the BeiDou navigation system?

"Many organizations have been using our system for a while, and they like it very much."