Question: What country's embassy is located in the neighbourhood of Washington D.C. names after Rear Admiral Samuel Francis Du Pont?

Context paragraphs:
Dupont Circle: Dupont Circle is a traffic circle, park, neighborhood, and historic district in Northwest Washington, D.C. The traffic circle is located at the intersection of Massachusetts Avenue NW, Connecticut Avenue NW, New Hampshire Avenue NW, P Street NW, and 19th Street NW.  The Dupont Circle neighborhood is bounded approximately by 16th Street NW to the east, 22nd Street NW to the west, M Street NW to the south, and Florida Avenue NW to the north.  The local government Advisory Neighborhood Commission (ANC 2B) and the Dupont Circle Historic District have slightly different boundaries.  The circle is named for Rear Admiral Samuel Francis Du Pont.

First Battle of Charleston Harbor: The First Battle of Charleston Harbor was an engagement near Charleston, South Carolina that took place April 7, 1863, during the American Civil War.  The striking force was a fleet of nine ironclad warships of the Union Navy, including seven monitors that were improved versions of the original USS "Monitor" .  A Union Army contingent associated with the attack took no active part in the battle.  The ships, under command of Rear Admiral Samuel Francis Du Pont, attacked the Confederate defenses near the entrance to Charleston Harbor.  Navy Department officials in Washington hoped for a stunning success that would validate a new form of warfare, with armored warships mounting heavy guns reducing traditional forts.

Samuel Francis Du Pont: Samuel Francis Du Pont (September 27, 1803 – June 23, 1865) was a Rear Admiral in the United States Navy, and a member of the prominent Du Pont family.  In the Mexican–American War, Du Pont captured San Diego, and was made commander of the California naval blockade.  Through the 1850s, he promoted engineering studies at the United States Naval Academy, to enable more mobile and aggressive operations.  In the American Civil War, he played a major role in making the Union blockade effective, but was controversially blamed for the failed attack on Charleston, South Carolina in April 1863.

USS Du Pont (DD-152): USS "Du Pont" (DD–152) was a "Wickes"-class destroyer in the United States Navy during World War II, later reclassified as AG-80.  She was the second ship named for Rear Admiral Samuel Francis Du Pont.

USS Du Pont (DD-941): USS "Du Pont" (DD-941), named for Rear Admiral Samuel Francis Du Pont USN (1809–1866), was a "Forrest Sherman"-class destroyer built by the Bath Iron Works Corporation at Bath in Maine and launched by Mrs. H. B. Du Pont, great-great-grandniece of Rear Admiral Du Pont; and commissioned 1 July 1957, Commander W. J. Maddocks in command.

Louviers (Wilmington, Delaware): Louviers, also known as Upper Louviers and Black Gates, was a historic home located at Wilmington, New Castle County, Delaware.  The original section was built in 1833, as a two-story stone dwelling measuring 31 feet, 8 inches, wide and 35 feet long.  Additions were made in 1833, 1837, after 1837, and after 1901.  The second addition included a third floor and the facade with Greek Revival style porch.  Also located on the property are contributing gate houses and an iron bridge (1877) that joined Louviers to the powder yards.  It was the home of Admiral Samuel Francis Du Pont from 1837 to 1865.

Dupont Circle Fountain: The Dupont Circle Fountain, formally known as the Rear Admiral Samuel Francis Dupont Memorial Fountain, is a fountain located in the center of Dupont Circle in Washington, D.C. It honors Rear Admiral Samuel Francis Du Pont, a prominent American naval officer and member of the Du Pont family.  The fountain replaced a statue of Du Pont that was installed in 1884.  Designed by Henry Bacon and sculpted by Daniel Chester French, the fountain was dedicated in 1921.  Prominent guests at the dedication ceremony included First Lady Florence Harding, Secretary of War John W. Weeks and Secretary of the Navy Edwin Denby.

Fort DuPont: Fort DuPont, named in honor of Rear Admiral Samuel Francis Du Pont, is located between the original Delaware City and the modern Chesapeake and Delaware Canal on the original Reeden Point tract, which was granted to Henry Ward in 1675.  In 2016, the acreage which is not in the state park system was annexed into Delaware City.

USS Du Pont: Three ships of the United States Navy have borne the name USS "Du Pont", in honor of Rear Admiral Samuel Francis Du Pont.

1520 New Hampshire Avenue: 1520 New Hampshire Avenue, NW is located in the Dupont Circle neighbourhood of Washington, D.C..  It has had a number of notable owners, and is currently home to the Embassy of Jamaica to the United States of America.

Supporting paragraphs: 1520 New Hampshire Avenue Dupont Circle
Answer: Jamaica