Question: Rosemary Anne DiCarlo served as acting United States Ambassador to the United Nations following the resignation of an American public servant who was confirmed as UN ambassador by the U.S. Senate by unanimous consent on what date? 
Sentence (from "Rosemary DiCarlo"): DiCarlo is a career member of the foreign service and has held overseas assignments in U.S. Embassies in Moscow and Oslo.
Relevant evidence: No