Question: When was Lynne Ann Cheney's husband born? 

full_context: Document 1: Bruce Reed (political operative): Bruce Reed (born March 16, 1960) is the former president of the Broad Foundation. Prior to assuming that role in December 2013, he served as Chief of Staff to U.S. Vice President Joe Biden and is a former CEO of the Democratic Leadership Council (DLC).
Document 2: Mary Matalin: Mary Joe Matalin (born August 19, 1953) is an American political consultant well known for her work with the Republican Party. She has served under President Ronald Reagan, was campaign director for George H. W. Bush, was an assistant to President George W. Bush, and counselor to Vice President Dick Cheney until 2003. Matalin has been chief editor of Threshold Editions, a conservative publishing imprint at Simon & Schuster, since March 2005. She is married to Democratic political consultant James Carville. She appears in the award-winning documentary film "" and also played herself, opposite her husband, James Carville, John Slattery, and Mary McCormack in the short lived HBO series "K Street".
Document 3: Dan Quayle: James Danforth "Dan" Quayle (born February 4, 1947) is an American politician and lawyer who was the 44th Vice President of the United States from 1989 to 1993. He was also a U.S. Representative (1977–81) and U.S. Senator (1981–89) from the state of Indiana.
Document 4: Lynne Cheney: Lynne Ann Cheney (née Vincent; born August 14, 1941) is an American author, scholar, and former talk-show host. She is the wife of the 46th Vice President of the United States, Dick Cheney and served as the Second Lady of the United States from 2001 to 2009.
Document 5: Mary Cheney: Mary Claire Cheney (born March 14, 1969) is the second daughter of Dick Cheney, the former Vice President of the United States, and his wife, Lynne Cheney. She is politically conservative and is involved with a number of political action groups.
Document 6: George H. W. Bush: George Herbert Walker Bush (born June 12, 1924) is an American politician who was the 41st President of the United States from 1989 to 1993 and the 43rd Vice President of the United States from 1981 to 1989. A member of the Republican Party, he was previously a congressman, ambassador, and Director of Central Intelligence. He is the oldest living former President and Vice President. Previously known as simply "George Bush", since 2001, Bush has often been referred to as "George H. W. Bush", "Bush 41", "Bush the Elder", or "George Bush Senior" to distinguish him from his eldest son, George W. Bush, the 43rd President of the United States.
Document 7: Joe Biden: Joseph Robinette "Joe" Biden Jr. ( ; born November 20, 1942) is an American politician who was the 47th Vice President of the United States from 2009 to 2017. A member of the Democratic Party, he represented Delaware as a United States Senator from 1973 until becoming Vice President in 2009.
Document 8: Marilyn Quayle: Marilyn Tucker Quayle (born July 29, 1949) is an American lawyer and novelist. She is the wife of the 44th Vice President of the United States, Dan Quayle, and served as Second Lady of the United States from 1989 until 1993.
Document 9: Cheney v. United States District Court: Cheney v. United States District Court, 542 U.S. 367 (2004), was a 2004 United States Supreme Court case between Vice President Dick Cheney and the U.S. District Court for the District of Columbia. The case came as an appeal after the lower District Court for the District of Columbia ordered Cheney to disclose some of his records that would show how his National Energy Policy Development Group developed its recommendations. Cheney appealed the decision to the Court of Appeals for the DC Circuit, but the Appeals Court rejected the appeal. In a 7–2 decision, the Court sent the case back to the U.S. Court of Appeals for the D.C. Circuit.
Document 10: Jill Biden: Jill Tracy Biden (née Jacobs , previously Stevenson; born June 3, 1951) is an American educator who is married to the 47th Vice President of the United States, Joe Biden. She was the Second Lady of the United States from 2009 to 2017.
Document 11: Nelson Rockefeller: Nelson Aldrich Rockefeller (July 8, 1908 – January 26, 1979) was an American businessman and politician. He served as the 41st Vice President of the United States from 1974 to 1977, and previously as the 49th Governor of New York (1959–1973). He also served as Assistant Secretary of State for American Republic Affairs for Presidents Franklin D. Roosevelt and Harry S. Truman as well as Under Secretary of Health, Education and Welfare under Dwight D. Eisenhower. A member of the wealthy Rockefeller family, he was also a noted art collector, as well as administrator of Rockefeller Center in Manhattan, New York.
Document 12: Nancy Reagan: Nancy Davis Reagan (born Anne Frances Robbins; July 6, 1921 – March 6, 2016) was an American film actress and the wife of Ronald Reagan, the 40th President of the United States. She served as the First Lady of the United States from 1981 to 1989.
Document 13: Dick Cheney: Richard Bruce Cheney ( ; born January 30, 1941) is an American politician and businessman who was the 46th Vice President of the United States from 2001 to 2009.
Document 14: Susan Whitson: Susan Dryden Whitson was press secretary to First Lady Laura Bush, the wife of U.S. President George W. Bush. During the attacks of September 11th, she was flying from Washington to Milwaukee with Attorney General John Ashcroft. Prior to working at the White House, she was the Deputy Communications Director of the Bush-Cheney '04 campaign and the spokesperson for the President and Mrs. Bush's twin daughters, Barbara and Jenna Bush. Susan Whitson also worked for the FBI, the US Department of Justice and for Rep. Bob Riley (R-AL), the former governor of Alabama, and Rep. Bill McCollum (R-FL) on Capitol Hill. She was a high school English teacher at Hoover High School in Birmingham, Alabama. She attended Auburn University.
Document 15: George W. Bush: George Walker Bush (born July 6, 1946) is an American politician who served as the 43rd President of the United States from 2001 to 2009. He was also the 46th Governor of Texas from 1995 to 2000. After graduating from Yale University in 1968 and Harvard Business School in 1975, he worked in the oil industry. Bush married Laura Welch in 1977 and ran unsuccessfully for the House of Representatives shortly thereafter. He later co-owned the Texas Rangers baseball team before defeating Ann Richards in the 1994 Texas gubernatorial election. Bush was elected president in 2000 after a close and controversial win over Democratic rival Al Gore, becoming the fourth president to be elected while receiving fewer popular votes than his opponent.
ground_truth: January 30, 1941