original question: how many Exhibition subject is the subject of an Exhibition curated by [Kirk Varnedoe]?
answer: 3
answer type: Exhibition subject.
auxiliary information: John Kirk Train Varnedoe was an American art historian, the Chief Curator of Painting and Sculpture at the Museum of Modern Art from 1988 to 2001, Professor of the History of Art at the Institute for Advanced Study at Princeton and Professor of Fine Arts at the New York University Institute of Fine Arts.
What is the number of Exhibition subjects that has the subject of an Exhibition curated by [Kirk Varnedoe]?