Question: How much acre does the complex on which the Timeline of the Watergate scandal occurred covered? 

Context paragraphs:
L. Patrick Gray: Louis Patrick "Pat" Gray III (July 18, 1916 – July 6, 2005) was Acting Director of the Federal Bureau of Investigation (FBI) from May 2, 1972 to April 27, 1973.  During this time, the FBI was in charge of the initial investigation into the burglaries that sparked the Watergate scandal, which eventually led to the resignation of President Nixon.  Gray was nominated as permanent Director by Nixon on February 15, 1973, but failed to win Senate confirmation.  He resigned as acting FBI director on April 27, 1973, after he admitted to destroying documents received on June 28, 1972, 11 days after the Watergate burglary, that had come from convicted Watergate conspirator E. Howard Hunt's safe, given to him by White House counsel John Dean.

United States Senate Watergate Committee: The Senate Watergate Committee, known officially as the Select Committee on Presidential Campaign Activities, was a special committee established by the United States Senate, , in 1973, to investigate the Watergate scandal, with the power to investigate the break-in at the Democratic National Committee (DNC) headquarters at the Watergate office complex in Washington, D.C., and any subsequent cover-up of criminal activity, as well as "all other illegal, improper, or unethical conduct occurring during the presidential election of 1972, including political espionage and campaign finance practices".

United States elections, 1974: The 1974 United States elections were held on November 5, and elected the members of the 94th United States Congress.  The elections occurred 3 months into Republican President Gerald Ford's term.  Ford had become president on August 9, 1974, upon the resignation of his predecessor, Richard Nixon, in the wake of the Watergate scandal.  He granted Nixon a pardon on September 8.  In addition, an energy crisis hit the country at this time, resulting in soaring inflation.  These circumstances, along with the six-year itch phenomenon, hurt the Republicans, and they lost seats in both houses of Congress.  Many of the newly elected Democrats were liberal northerners (known as Watergate Babies), and the influx of liberals moved power away from the conservative southern Democrats who held most committee chairs in both houses.

John Sirica: John Joseph Sirica (March 19, 1904 – August 14, 1992) was the Chief Judge for the United States District Court for the District of Columbia, where he became famous for his role in the trials stemming from the Watergate scandal.  He rose to national prominence during the Watergate scandal when he ordered President Richard Nixon to turn over his recordings of White House conversations.

Watergate (disambiguation): Watergate is the Watergate scandal, a 1972 break-in at the Watergate Hotel by members of President Richard Nixon's administration and the resulting cover-up.

Watergate Seven: The Watergate Seven has two meanings: (1) it refers to the five men caught June 17, 1972 burglarizing the Democratic National Committee’s headquarters in the Watergate Hotel and their two handlers, E. Howard Hunt and G. Gordon Liddy (two Nixon campaign aides), all of whom were tried before Judge John Sirica in January 1973; (2) it refers to the seven advisors and aides to United States President Richard M. Nixon who were indicted by a grand jury on March 1, 1974 for their role in the Watergate scandal.  The grand jury also named Nixon an unindicted conspirator.  The indictments marked the first time in U.S. history that a president was so named.

All the President's Men (film): All the President's Men is a 1976 American political thriller film about the Watergate scandal.  Directed by Alan J. Pakula with a screenplay by William Goldman, it is based on the 1974 non-fiction book of the same name by Carl Bernstein and Bob Woodward, the two journalists investigating the Watergate scandal for "The Washington Post".  The film stars Robert Redford and Dustin Hoffman as Woodward and Bernstein, respectively; it was produced by Walter Coblenz for Redford's Wildwood Enterprises.

Timeline of the Watergate scandal: Timeline of the Watergate Scandal —Regarding the burglary and illegal wiretapping of the Washington, D.C. headquarters of the Democratic National Committee in the Watergate complex by members of President of the United States Richard Nixon's re-election committee and subsequent abuse of powers by the president and administration officials to halt or hinder the investigation into the same.

Watergate complex: The Watergate complex is a group of five buildings in the Foggy Bottom neighborhood of Washington, D.C., in the United States.  Covering a total of 10 acre next to the John F. Kennedy Center for the Performing Arts, the buildings include:

Watergate scandal: The Watergate scandal was a major political scandal that occurred in the United States in the early 1970s, following a break-in at the Democratic National Committee (DNC) headquarters at the Watergate office complex in Washington, D.C. on June 17, 1972, and President Richard Nixon’s administration’s attempted cover-up of its involvement.  When the conspiracy was discovered and investigated by the U.S. Congress, the Nixon administration’s resistance to its probes led to a constitutional crisis.

Supporting paragraphs: Timeline of the Watergate scandal Watergate complex
Answer: 10 acre