Question: Ralph Elihu Becker, Sr., was an American Ambassador to Honduras from 1976–1977 under the Ford administration, and was a founding trustee of which performing arts center located on the Potomac River, adjacent to the Watergate complex in Washington, D.C.?
Sentence (from "East Potomac Park"): East Potomac Park is a park located on a man-made island in the Potomac River in Washington, D.C., in the United States.
Relevant evidence: No