Question: Which city did both Monica Lewinsky and William R. "Billy" Martin both work in?

Context paragraphs:
Monica's Story: Monica's Story is the authorized biography of Monica Lewinsky, written by Andrew Morton.  Morton was also a biographer of Diana, Princess of Wales.

Monica Lewinsky: Monica Samille Lewinsky (born July 23, 1973) is an American activist, television personality, fashion designer, and former White House intern.

The Private Lives of the Three Tenors: The Private Lives of the Three Tenors is a gossip biography of tenors Plácido Domingo, Luciano Pavarotti, and José Carreras by Marcia Lewis, the mother of Monica Lewinsky.  The book received high-level publicity during the 1998 Lewinsky scandal, as journalists compared Lewis' "hints" of an affair with popular opera singer, Plácido Domingo, to Lewinsky’s then-unproven allegations against U.S. President Bill Clinton.  Domingo insisted that he only knew Lewis socially.

William H. Ginsburg: William H. Ginsburg (March 25, 1943 – April 1, 2013) was an American lawyer, best known for representing former White House intern Monica Lewinsky in her controversy regarding sexual activities with President Bill Clinton in 1998.

Lewinsky scandal: The Lewinsky scandal was an American political sex scandal that involved 49-year-old President Bill Clinton and 22-year-old White House intern Monica Lewinsky.  The sexual relationship took place between 1995 and 1996 and came to light in 1998.  Clinton ended a televised speech with the statement that he did not have sexual relations with Lewinsky.  Further investigation led to charges of perjury and to the impeachment of President Clinton in 1998 by the U.S. House of Representatives.  He was subsequently acquitted on all impeachment charges of perjury and obstruction of justice in a 21-day Senate trial.  Clinton was held in civil contempt of court by Judge Susan Webber Wright for giving misleading testimony in the Paula Jones case regarding Lewinsky and was also fined $90,000 by Wright.  His license to practice law was suspended in Arkansas for five years; shortly thereafter, he was disbarred from presenting cases in front of the United States Supreme Court.

Linda Tripp: Linda Rose Tripp (née Carotenuto; born November 24, 1949) is a former U.S. civil servant who figured in the Monica Lewinsky scandal of 1995–1996.

Clinton: His Struggle with Dirt: Clinton: His Struggle with Dirt was a 1998 one-off satire, written and narrated by Armando Iannucci in a similar style to his later shows, notably "Time Trumpet".  Purporting to be a documentary from the future (2028), it cast actors as older versions of real people, such as Bill Clinton and Monica Lewinsky) who were depicted in a comic account of the Lewinsky scandal.

Betty Currie: Betty Currie (born Betty Grace Williams; November 10, 1939) is the former personal secretary for Bill Clinton (during his tenure as President of the United States).  She became well known as a figure in the Lewinsky scandal for her alleged handling of gifts given to Monica Lewinsky by President Clinton.

Kramerbooks &amp; Afterwords: Kramerbooks & Afterwords (also known as Kramer's) is an independent bookstore and cafe in the Dupont Circle neighborhood of Washington, D.C. Since its founding in 1976 by Bill Kramer, Henry Posner, and David Tenney, Kramer's has become a local institution and meeting place for neighborhood residents, authors, and politicians.  It was one of the first bookstores in the country to feature a cafe which influenced similar business models nationwide.  Notable people that have visited Kramer's include Barack Obama, Andy Warhol, Maya Angelou, and Monica Lewinsky, whose purchases at the bookstore attracted national attention during the Lewinsky scandal investigation and led to a high-profile legal battle.  Kramer's was sold in 2016 to Steve Salis.

Billy Martin (lawyer): William R. "Billy" Martin is an attorney with Martin & Gitner, PLLC in Washington, D.C. (formerly of the Minnesota-based legal firm Dorsey & Whitney LLP and of Sutherland Asbill & Brennan and Howrey LLP).  Martin started his own firm in 2012.  His notable past clients have included NBA stars Allen Iverson and Jayson Williams, Monica Lewinsky's mother, and Chandra Levy's parents.  He also represented former Atlanta mayor Bill Campbell on racketeering, bribery and wire fraud charges; Campbell was convicted of three counts of tax fraud, but acquitted on racketeering and bribery charges.  Mr. Martin also defended former NBA player Jayson Williams at trial during Spring 2004, after which Williams was acquitted of first-degree manslaughter.

Supporting paragraphs: Billy Martin (lawyer) Monica Lewinsky
Answer: Washington, D.C.