Question: When was the secretary under which Paul T. Conway served as chief of staff for the U.S. Department of Labor born? 
Sentence (from "Paul T. Conway"): He served under four presidents and three governors, and was chief of staff for the U.S. Department of Labor under Secretary Elaine Chao, chief of staff at the Office of Personnel Management, and an agency chief at the U.S. Department of Homeland Security.
Relevant evidence: Yes