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:
University_of_Chicago

Context:
The university operates 12 research institutes and 113 research centers on campus. Among these are the Oriental Institute—a museum and research center for Near Eastern studies owned and operated by the university—and a number of National Resource Centers, including the Center for Middle Eastern Studies. Chicago also operates or is affiliated with a number of research institutions apart from the university proper. The university partially manages Argonne National Laboratory, part of the United States Department of Energy's national laboratory system, and has a joint stake in Fermilab, a nearby particle physics laboratory, as well as a stake in the Apache Point Observatory in Sunspot, New Mexico. Faculty and students at the adjacent Toyota Technological Institute at Chicago collaborate with the university, In 2013, the university announced that it was affiliating the formerly independent Marine Biological Laboratory in Woods Hole, Mass. Although formally unrelated, the National Opinion Research Center is located on Chicago's campus.

Question:
How many research centers does the university run on campus?

113