Question: Sheldon Warren Cheney, was an American author and art critic, born at Berkeley, California, the son of May L. Cheney, was appointment Secretary at University of California, Berkeley for over how many years?
Sentence (from "University of California, Berkeley"): Founded in 1868, Berkeley is the oldest of the ten research universities affiliated with the University of California system (although UCSF was founded in 1864 and predates the establishment of the UC system) and is ranked as one of the world's leading research universities and the top public university in the United States.
Relevant evidence: No