Question: What is the date of death of Kenneth E. Boulding's wife?
Sentence (from "Elise M. Boulding"): Elise M. Boulding (July 6, 1920 – June 24, 2010) was a Norwegian-born American Quaker sociologist, and author credited as a major contributor to creating the academic discipline of Peace and Conflict Studies.
Relevant evidence: Yes