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:
Arnold_Schwarzenegger

Context:
In respect of his contribution to the direction of the US motor industry, Schwarzenegger was invited to open the 2009 SAE World Congress in Detroit, on April 20, 2009.

Question:
In what city was the SAE World Congress held in 2009?

Detroit