Question: John Spence was an American diver enlisted in a clandestine group operated by a general whose statue now stands in the lobby of what building?

Context paragraphs:
Spence Lake, Manitoba: Spence Lake is a community in the Canadian province of Manitoba.  It is located south of Meadow Portage and was likely named for a local rancher, John Spence.

Greg Louganis: Gregory Efthimios "Greg" Louganis ( ; born January 29, 1960) is an American Olympic diver, LGBT activist, and author who won gold medals at the 1984 and 1988 Summer Olympics, on both the springboard and platform.  He is the only male and the second diver in Olympic history to sweep the diving events in consecutive Olympic Games.  He has been called both "the greatest American diver" and "probably the greatest diver in history".

William J. Donovan: William Joseph ("Wild Bill") Donovan (January 1, 1883 – February 8, 1959) was an American soldier, lawyer, intelligence officer and diplomat.  Donovan is best remembered as the wartime head of the Office of Strategic Services (OSS), the precursor to the Central Intelligence Agency, during World War II.  He is also known as the "Father of American Intelligence" and the "Father of Central Intelligence".  "The Central Intelligence Agency regards Donovan as its founding father," according to journalist Evan Thomas in a 2011 "Vanity Fair" profile.  The lobby of CIA headquarters, in Langley, Virginia, now features a statue of Donovan.  Thomas observed that Donovan's "exploits are utterly improbable but by now well documented in declassified wartime records that portray a brave, noble, headlong, gleeful, sometimes outrageous pursuit of action and skulduggery."

Soho Square: Soho Square is a square in Soho, London, with a park and garden area at its centre that dates back to 1681.  It was originally called King Square after Charles II, whose statue stands in the square.  At the centre of the garden, there is a distinctive half-timbered gardener's hut.  During the summer, Soho Square hosts open-air free concerts.

O'Connell Street: O'Connell Street (Irish: "Sráid Uí Chonaill" ) is Dublin's main thoroughfare.  It measures 49 m (54 yds) in width at its southern end, 46 m (50 yds) at the north, and is 500 m (547 yds) in length.  During the 17th century it was a narrow street known as Drogheda Street (named after Henry Moore, Earl of Drogheda).  It was widened, and renamed 'Sackville Street' (named after Lionel Sackville, 1st Duke of Dorset) in the late 1700s until 1924, when it was renamed in honour of Daniel O'Connell, a nationalist leader of the early 19th century, whose statue stands at the lower end of the street, facing O'Connell Bridge.

Master Scuba Diver: Master Scuba Diver (MSD) is a scuba diving certification or recognition level offered by several North American diver training agencies, such as the National Association of Underwater Instructors (NAUI), the Professional Association of Diving Instructors (PADI), Scuba Diving International (SDI), and Scuba Schools International (SSI).  Other agencies (e.g., The International Association of Nitrox and Technical Divers) offer similar programs under other names, such as "Elite Diver".  Each of these (and other) agencies touts their program at this level as the highest, non-leadership program.

John Spence (frogman): John Pitts Spence (June 14, 1918 – October 29, 2013) was an American diver for the United States Navy and World War II veteran who is widely credited as the country's first combat frogman.  Spence was the first enlisted man to be recruited into a clandestine group, operated by General William "Wild Bill" Donovan of the Office of Strategic Services (OSS), which would become known as the frogmen.  The group was a predecessor of the present-day United States Navy SEALs.

Francis John Spence: Francis John Spence (June 3, 1926 – July 27, 2011) was a Canadian Roman Catholic prelate.  Spence served as the Archbishop of the Roman Catholic Archdiocese of Kingston from 1982 until his retirement in 2002.

Frogman: A frogman is someone who is trained in scuba diving or swimming underwater in a tactical capacity that includes police or military work.  Such personnel are also known by the more formal names of combat diver, combatant diver, or combat swimmer.  The word "frogman" first arose in the stage name "The Fearless Frogman" of Paul Boyton in the 1870s and later was claimed by John Spence, an enlisted member of the U.S. Navy, to have been applied to him while he was training in a green waterproof suit.

Thomas Fletcher Waghorn: Thomas Fletcher Waghorn (1800–1850), whose statue stands in Chatham, Kent, was a postal pioneer who developed a new route from Great Britain to India.  Waghorn's route reduced the journey from 16,000 mi , via the Cape of Good Hope, to 6000 mi : from three months to between 35 and 45 days.

Supporting paragraphs: John Spence (frogman) William J. Donovan
Answer: CIA headquarters