Question: Ruth Carter Stapleton is the sister of a politican that served as President of the United States during what years?

Context paragraphs:
USS Jimmy Carter: USS "Jimmy Carter" (SSN-23) is the third and last "Seawolf"-class submarine in the United States Navy.  She is named for Jimmy Carter, the 39th President of the United States; Carter is the only President who had qualified in submarines, having served as a Communications Officer, Sonar Officer, Electronics Officer, Weapons Officer, and Supply Officer while on board USS "Pomfret" .  "Jimmy Carter" is one of the few ships of the United States Navy (and only the third submarine) to have been named for a person who was alive at the time of the ship's naming, and the only submarine to be named for a living former president.

Jimmy &amp; Rosalynn Carter Work Project: The Jimmy & Rosalynn Carter Work Project - formerly the Jimmy Carter Work Project (JCWP) - is an annual home building blitz organized by Habitat for Humanity International and its affiliates.  It generally takes place in the United States one year, and an international location the next.  President Jimmy Carter and Rosalynn Carter helped Habitat volunteers renovate the 19-unit building, and media coverage brought attention to Habitat, which had been founded in 1976 in Americus, Georgia, a short distance from Carter’s hometown of Plains, Georgia.  Even though President Carter has said repeatedly he never intended to start an annual project, the following year the Carters returned to the same site to finish the renovation work.  On Oct. 10, 2013, as part of the 30th annual project, the Carters returned to the building and met with families living there.

Ruth Carter Stapleton: Ruth Carter Stapleton (August 7, 1929 – September 26, 1983) was a sister of Jimmy Carter and was known in her own right as a Christian evangelist.  She died of pancreatic cancer in 1983.

Stapleton International Airport: Stapleton International Airport was the primary airport serving Denver, Colorado, United States from 1929 to 1995.  At different times it served as a hub for Continental Airlines, the original Frontier Airlines, People Express, Trans World Airlines (TWA), United Airlines and Western Airlines.  Other airlines with smaller hub operations at Stapleton included Aspen Airways, the current version of Frontier Airlines and Rocky Mountain Airways with all three of these air carriers being based in Denver at the time.

Jimmy Carter National Historic Site: The Jimmy Carter National Historic Site, located in Plains, Georgia, preserves sites associated with James Earl "Jimmy" Carter, Jr. (1924–present), 39th President of the United States.  These include his residence, boyhood farm, school, and the town railroad depot, which served as his campaign headquarters during the 1976 election.  The building which used to be Plains High School (opened in 1921 and closed in 1979) serves as the park’s museum and visitor center.  As President Carter lives in Plains, the area surrounding the residence is under the protection of the United States Secret Service and is not open to the public.

Jimmy Carter: James Earl Carter Jr. (born October 1, 1924) is an American politician who served as the 39th President of the United States from 1977 to 1981.  A member of the Democratic Party, he also served as the Governor of Georgia prior to his election as president.  Carter has remained active in public life during his post-presidency, and in 2002 he was awarded the Nobel Peace Prize for his work with the Carter Center.

James Earl Carter Sr.: James Earl Carter Sr. (September 12, 1894 – July 22, 1953) was an American businessman, farmer, and legislator from Plains, Georgia.  He was the father of former President of the United States, Jimmy Carter (born 1924), William Alton "Billy" Carter (1937–1988), Gloria Carter Spann (1926–1990), and Ruth Carter Stapleton (1929–1983).

Ruth Edmonds Hill: Ruth Edmonds Hill is an American scholar, oral historian, oral storytelling editor, journal editor, educator, historic preservation advocate and spouse of Dr. Hugh Morgan Hill who is also known as Brother Blue.  Ruth Edmonds Hill is sometimes known as Sister Ruth.  Her oral history office is part of the Radcliffe Institute for Advanced Study of Harvard University.  She is an iconic figure among oral storytellers, particularly in the United States but also abroad, and has advised storytellers' organizations.  Ruth Edmonds Hill is the daughter of Florence Edmonds of western Massachusetts, whose life story is chronicled and has been critically analyzed as part of African-American oral history.  Hill has degrees from Simmons College and the University of Massachusetts Amherst.

Goldwater v. Carter: Goldwater v. Carter, 444 U.S. 996 (1979), was a United States Supreme Court case which was the result of a lawsuit filed by Senator Barry Goldwater and other members of the United States Congress challenging the right of President Jimmy Carter to unilaterally nullify the Sino-American Mutual Defense Treaty, which the United States had signed with the Republic of China, so that relations could instead be established with the People's Republic of China.  Goldwater and his co-filers claimed that the President required Senate approval to take such an action, under of the U.S. Constitution, and that, by not doing so, President Carter had acted beyond the powers of his office.

Kenneth Jones (songwriter): Kenneth Jones (1952–1969), was the son of Helen Myrl Carter (of country music's Carter Family) and of Glenn Jones.  He is best remembered for a song he wrote called "Sing A Traveling Song" which appeared on Johnny Cash's albums "Hello, I'm Johnny Cash" and "Johnny Cash at Madison Square Garden".  Kenneth was Cash's nephew-in-law.  Cash's second wife, June Carter Cash, was Helen's sister.  Kenneth, or Kenny as he was also known, wrote many songs and was a talented musician.  At the time of his death he was under contract with Monument Records and appeared destined for a highly successful career.  Following his death the Carter Family recorded one of his songs, "2001 Ballad to the Future".  A few have noted the lyrics as being eerily prophetic of the September 11, 2001 terrorist attacks on the United States which took place more than thirty years after the song was written.

Supporting paragraphs: Ruth Carter Stapleton Jimmy Carter
Answer: 1977 to 1981