original question: how many Publisher has the imprint [John Wiley & Sons]?
answer: 9
answer type: Publisher.
auxiliary information: John Wiley & Sons, Inc., also referred to as Wiley, is a global publishing company that specializes in academic publishing and markets its products to professionals and consumers, students and instructors in higher education, and researchers and practitioners in scientific, technical, medical, and scholarly fields. The company produces books, journals, and encyclopedias, in print and electronically, as well as online products and services, training materials, and educational materials for undergraduate, graduate, and continuing education students. Founded in 1807, Wiley is also known for publishing For Dummies. As of 2012, the company had 5,100 employees and a revenue of $1.8 billion.
When it comes to [John Wiley & Sons] what number of Publisher's have the imprint?