Question: What is the establishment year of this private liberal arts college in WIlliamstown, Massachusetts, where Saul Kassin was a professor of psychology?
Sentence (from "Williams College"): The college was ranked first in 2017 in the "U.S. News & World Report"' s liberal arts ranking for the 15th consecutive year, and third among liberal art colleges in the 2017 "Forbes" magazine ranking of America's Top Colleges.
Relevant evidence: No