Question: In which city of the United Kingdom does Drinker Biddle operate an office?

Context paragraphs:
Drinker Biddle &amp; Reath: Drinker Biddle & Reath LLP is a national law firm founded in Philadelphia in 1849 by John Christian Bullitt.  The firm has more than 635 lawyers located in 11 offices in the United States: Philadelphia; Chicago; Washington, D.C.; New York City; Dallas; Los Angeles; San Francisco; Wilmington; Florham Park; Princeton; and Albany.  Drinker Biddle also operates an office in London.  The firm maintains a broad range of practices, including corporate and securities; corporate restructuring; intellectual property; real estate; health care; investment management; environment and energy; litigation and investigations; insurance; trusts and estates; labor, employment and benefits; and government regulation, lobbying and advocacy.

Oz and James's Big Wine Adventure: Oz and James's Big Wine Adventure was a BBC television programme of which two series have been broadcast.  It was presented by wine expert Oz Clarke and motoring journalist James May (at the time, a presenter of "Top Gear"), with Clarke aiming to educate May (a committed bitter drinker) about wine while undertaking a road trip.  The first season focused on France and the second on California.  The sequel series "Oz and James Drink to Britain", broadcast in 2009, made the change to a focus on the variety of beverages available in the United Kingdom.

Taiwan–United Kingdom relations: Taiwan-United Kingdom Relations describe the relations between the Republic of China (ROC; commonly called Taiwan) and the United Kingdom of Great Britain and Northern Ireland.  Due to the One China policy the United Kingdom doesn't recognise the Government of the Republic of China and all diplomatic relations between the two countries take place on an unofficial basis.  Taiwan maintains the Taipei Representative Office in the U.K. in London with a branch office in Edinburgh while the United Kingdom maintains the British Office Taipei in Taipei.

John Christian Bullitt: John Christian Bullitt (1824–1902) was a prominent lawyer and civic figure in the city of Philadelphia, Pennsylvania.  He founded the law firm known today as Drinker Biddle & Reath.

Rear-Admiral of the United Kingdom: The Rear-Admiral of the United Kingdom is a now honorary office generally held by a senior (possibly retired) Royal Navy admiral.  Despite the title, the Rear-Admiral of the United Kingdom is usually a full admiral.  He is the deputy to the Vice-Admiral of the United Kingdom, who is in turn deputy to the Lord High Admiral of the United Kingdom (an office that was vested from 1964–2011 to the Sovereign and is currently held by HRH The Duke of Edinburgh).

Malaysians in the United Kingdom: Malaysians in the United Kingdom are British citizens who are of Malaysian descent or Malaysian citizens residing in the United Kingdom.  The Malaysian British community bears a similar trend to the British Chinese and Singaporean British communities in terms of population spread and culture.  The Malaysian community in the UK is one of the west's largest, this is mainly due to the influence of the British Empire on Malaysia.  The 2001 UK Census recorded 49,886 Malaysian-born people.  The Office for National Statistics estimates that 59,000 Malaysian-born immigrants were resident in the UK in 2013.  In December 2008 it was reported that over 30,000 Malaysians who entered the UK temporarily have overstayed their visas.  In 2013, there were 14,500 Malaysians studying in the tertiary level in the United Kingdom, making Malaysians the one of the largest overseas student group in the United Kingdom and making the United Kingdom the country with the 2nd most number of Malaysian students.

Cradle of Liberty Council v. City of Philadelphia: Cradle of Liberty Council, Inc., Boy Scouts of America, v. City of Philadelphia also known as Cradle of Liberty Council v. City of Philadelphia, [2:08-cv-02429RB] is a U.S. Court case involving the Cradle of Liberty Council versus the City of Philadelphia.  The case was filed on May 23, 2008, in the United States District Court for the Eastern District of Pennsylvania.  Judge Ronald L. Buckwalter presided over the case.  The Boy Scouts were represented by Drinker Biddle & Reath.  The case ended with the court ruling in favor of the Boy Scouts of America.  The Cradle of Liberty Council Council is also entitled to collect $877,000 of legal costs from the city's unlawful action.

Office for Civil Society Advisory Body: The Office for Civil Society Advisory Body (formerly known as the Office of the Third Sector Advisory Body or sometimes the Third Sector Advisory Body) was a quasi-autonomous non-governmental organisation (quango) (officially termed a non-departmental public body) set up by the Government of the United Kingdom in July 2008, which advised the government on the needs of charities and voluntary organisations in the United Kingdom, and to implement the July 2007 review by HM Treasury and the Cabinet Office ("The future role of the third sector in social and economic regeneration").  The body was formed as a result of the merger of four previous advisory structures: the Voluntary and Community Sector Advisory Group, Futurebuilders Advisory Panel, Infrastructure National Partnership and the Third Sector Review Advisory Group, was chaired by Baroness Jill Pitkeathley OBE, and was part of the Cabinet Office's Office of Civil Society (formerly the Office of the Third Sector or OTS).

Crime statistics in the United Kingdom: Crime statistics in the United Kingdom refers to the data collected in the United Kingdom, and that collected by the individual areas, England & Wales, Scotland and Northern Ireland, which operate separate judicial systems.  It covers data related to crime in the United Kingdom.  As with crime statistics elsewhere, they are broadly divided into victim studies and police reports.

London: London is the capital and most populous city of England and the United Kingdom.

Supporting paragraphs: Drinker Biddle &amp; Reath London
Answer: London