Question: Which year was the firm founded that Teresa Wynn Roseborough used to be the Deputy General Counsel for?
Context: Ryan Douglas Nelson is an American attorney.  Currently serving as general counsel for Melaleuca, Inc., he is President Donald Trump's nominee to become Solicitor of the United States Department of the Interior.  Nelson previously served as Deputy Assistant Attorney General in the Environment and Natural Resources Division of the United States Department of Justice and as Deputy General Counsel for the Office of Management and Budget.  He also served as special counsel for the United States Senate Committee on the Judiciary and as a law clerk for the Senate Legal Counsel. Nicole A. Wong is an American attorney, specializing in Internet, media and intellectual property law.  In May 2013, she was selected by the Barack Obama administration to be the White House deputy chief technology officer (CTO) of the United States.  She earned the nickname "the Decider" while she was vice president and deputy general counsel at Google, where she was responsible for arbitrating issues of censorship for Google.  Wong stepped down as Deputy US CTO on August 16, 2014 to return with her family to California.  She currently serves as a Senior Advisor to Albright Stonebridge Group, a global business strategy firm. Courtney Simmons Elwood is an American attorney who is the General Counsel of the Central Intelligence Agency.  Prior to assuming her post at the CIA, she was a partner with the firm Kellogg, Hansen, Todd, Figel & Frederick.  She joined this firm in 1996, after clerking for Chief Justice William H. Rehnquist on the Supreme Court of the United States and for Judge J. Michael Luttig on the United States Court of Appeals for the Fourth Circuit.  Elwood has served as an associate counsel to the president, deputy counsel to the vice president, and deputy chief of staff and counselor to the attorney general.  In March 2017, she was announced as President Donald Trump's nominee for General Counsel of the Central Intelligence Agency.  She was confirmed by the U.S. Senate with a vote of 67-33 on June 6, 2017. Cassidy & Associates is a government-relations firm based in Washington, D.C..  In 2007, "The Washington Post" reported, “Cassidy helped invent the new Washington,” and was “creator and proprietor of the most lucrative lobbying firm in Washington.”  Kai Anderson, former Deputy Chief of Staff to Senate Majority Leader Harry Reid, serves as the firm's CEO and Barry Rhoads, former Deputy General Counsel to the 1991 Department of Defense Base Realignment and Closure Commission (BRAC), serves as its Chairman.  In 2015 the firm's founder and namesake, Gerald S.J. Cassidy, stepped down after 38 years leading the firm. MetLife, Inc. is the holding corporation for the Metropolitan Life Insurance Company (MLIC), better known as MetLife, and its affiliates.  MetLife is among the largest global providers of insurance, annuities, and employee benefit programs, with 90 million customers in over 60 countries.  The firm was founded on March 24, 1868. Robert Joseph "Bob" Eatinger (born October 1, 1957) is Deputy General Counsel for Operations for the Central Intelligence Agency, serving as Acting General Counsel of the CIA from 2009 to March 2014.  He has served as a lawyer in various capacities, in the CIA and Navy during the U.S. War on Terror, during which the CIA held dozens of detainees in black site prisons around the globe. " Enhanced interrogation techniques" were approved by the George W. Bush administration's Office of Legal Counsel in the Department of Justice Robert S. Rivkin (born December 6, 1960) is Deputy Mayor of the City of Chicago, focusing his efforts on economic development, job creation and retention, and infrastructure.  For a year prior to his appointment, he practiced law at Riley Safer Holmes & Cancila LLP, advising clients on aviation, rail, road and other transportation issues, internal investigations, white collar criminal defense, domestic and international business regulation, and commercial litigation.  Prior to that, he served as the Senior Vice President for Regulatory and International Affairs and Deputy General Counsel of Delta Air Lines.  Prior to joining Delta in April 2013, he was the 21st General Counsel of the United States Department of Transportation (DOT).  Appointed by President Barack Obama, Rivkin was sworn in on May 18, 2009, following unanimous confirmation by the United States Senate.  While serving as DOT’s chief legal officer, Rivkin played a key role in a number of programs and initiatives including the Cash for Clunkers program and the Toyota vehicle recalls. Teresa Wynn Roseborough (born November 28, 1958) is an American lawyer, a former Deputy Assistant Attorney General during the Clinton administration and is the executive vice president and general counsel at The Home Depot.  She used to be Deputy General Counsel at MetLife, where she at one point led a department of 62 associates and supervised MetLife's litigation activities worldwide. Robert Charrow is an American lawyer and government official.  Currently a shareholder at the law firm of Greenberg Traurig, he is President Donald Trump's nominee to become General Counsel of the United States Department of Health and Human Services.  He previously worked for the law firm of Crowell & Moring.  In the Ronald Reagan administration, Charrow served as Deputy and then Principal Deputy General Counsel for the U.S. Department of Health and Human Services.  In those roles, he supervised the chief counsel for the Health Care Financing Administration, Office of Inspector General, the Food and Drug Administration, and the United States Public Health Service. Andrew Neill Vollmer is an American lawyer, currently a retired partner in the securities department at law firm WilmerHale.  Prior to April 2009, he had been Deputy General Counsel for the United States Securities and Exchange Commission (SEC) and acting General Counsel.  He succeeded Meyer Eisenberg as Deputy General Counsel, who retired from the Commission in early January 2006 and former General Counsel Brian Cartwright who left the Commission for the private sector in January 2009.
Answer: 1868