Question: Who is the child of the president who ended the Emergency Energy Conservation Act?

full_context: Document 1: 1973 oil crisis: OPEC soon lost its preeminent position, and in 1981, its production was surpassed by that of other countries. Additionally, its own member nations were divided. Saudi Arabia, trying to recover market share, increased production, pushing prices down, shrinking or eliminating profits for high-cost producers. The world price, which had peaked during the 1979 energy crisis at nearly $40 per barrel, decreased during the 1980s to less than $10 per barrel. Adjusted for inflation, oil briefly fell back to pre-1973 levels. This "sale" price was a windfall for oil-importing nations, both developing and developed.
Document 2: Same-sex marriage in New Zealand: During the 2005 election, Prime Minister Helen Clark stated that she thought it was discriminatory to exclude same-sex couples from the Marriage Act 1955, but said she would not push to change it.
Document 3: John Kerry: Kerry and his second wife, Mozambican-born businesswoman and philanthropist Maria Teresa Thierstein Simões Ferreira (known as Teresa), the widow of Kerry's late Pennsylvania Republican Senate colleague Henry John Heinz III, were introduced to each other by Heinz at an Earth Day rally in 1990. Early the following year, Senator Heinz was killed in a plane crash near Lower Merion. Teresa has three sons from her previous marriage to Heinz, Henry John Heinz IV, André Thierstein Heinz, and Christopher Drake Heinz. Heinz and Kerry were married on May 26, 1995, in Nantucket, Massachusetts.
Document 4: 1973 oil crisis: In 1973, Nixon named William E. Simon as the first Administrator of the Federal Energy Office, a short-term organization created to coordinate the response to the embargo. Simon allocated states the same amount of domestic oil for 1974 that each had consumed in 1972, which worked for states whose populations were not increasing. In other states, lines at gasoline stations were common. The American Automobile Association reported that in the last week of February 1974, 20% of American gasoline stations had no fuel.
Document 5: 1973 oil crisis: The crisis had a major impact on international relations and created a rift within NATO. Some European nations and Japan sought to disassociate themselves from United States foreign policy in the Middle East to avoid being targeted by the boycott. Arab oil producers linked any future policy changes to peace between the belligerents. To address this, the Nixon Administration began multilateral negotiations with the combatants. They arranged for Israel to pull back from the Sinai Peninsula and the Golan Heights. By January 18, 1974, US Secretary of State Henry Kissinger had negotiated an Israeli troop withdrawal from parts of the Sinai Peninsula. The promise of a negotiated settlement between Israel and Syria was enough to convince Arab oil producers to lift the embargo in March 1974.
Document 6: John Kerry: In January 2014, having met with Secretary of State, Archbishop Pietro Parolin, Kerry said "We touched on just about every major issue that we are both working on, that are issues of concern to all of us. First of all, we talked at great length about Syria, and I was particularly appreciative for the Archbishop’s raising this issue, and equally grateful for the Holy Father’s comments – the Pope's comments yesterday regarding his support for the Geneva II process. We welcome that support. It is very important to have broad support, and I know that the Pope is particularly concerned about the massive numbers of displaced human beings and the violence that has taken over 130,000 lives".
Document 7: 1973 oil crisis: Despite being relatively unaffected by the embargo, the UK nonetheless faced an oil crisis of its own - a series of strikes by coal miners and railroad workers over the winter of 1973–74 became a major factor in the change of government. Heath asked the British to heat only one room in their houses over the winter. The UK, Germany, Italy, Switzerland and Norway banned flying, driving and boating on Sundays. Sweden rationed gasoline and heating oil. The Netherlands imposed prison sentences for those who used more than their ration of electricity.
Document 8: Ayesha Gaddafi: In 2010 after sanctions were imposed on Iraq, she arrived in Baghdad with a delegation of 69 officials. Shortly before the invasion of Iraq in 2003, she met with Saddam Hussein. In 2011, she strongly denounced the policies of U.S. Secretary of State Hillary Clinton and U.S. President Barack Obama, calling for a mediation of the Libyan Civil War through an international organization which would exclude them.Ayesha has served as a mediator on behalf of the government with European Union corporations.
Document 9: 1973 oil crisis: In 2004, declassified documents revealed that the U.S. was so distraught by the rise in oil prices and being challenged by under-developed countries that they briefly considered military action to forcibly seize Middle Eastern oilfields in late 1973. Although no explicit plan was mentioned, a conversation between U.S. Secretary of Defense James Schlesinger and British Ambassador to the United States Lord Cromer revealed Schlesinger had told him that "it was no longer obvious to him that the U.S. could not use force." British Prime Minister Edward Heath was so worried by this prospect that he ordered a British intelligence estimate of U.S. intentions, which concluded America "might consider it could not tolerate a situation in which the U.S. and its allies were at the mercy of a small group of unreasonable countries," and that they would prefer a rapid operation to seize oilfields in Saudi Arabia and Kuwait, and possibly Abu Dhabi in military action was decided upon. Although the Soviet response to such an act would likely not involve force, intelligence warned "the American occupation would need to last 10 years as the West developed alternative energy sources, and would result in the ‘total alienation’ of the Arabs and much of the rest of the Third World."
Document 10: 1973 oil crisis: To help reduce consumption, in 1974 a national maximum speed limit of 55 mph (about 88 km/h) was imposed through the Emergency Highway Energy Conservation Act. Development of the Strategic Petroleum Reserve began in 1975, and in 1977 the cabinet-level Department of Energy was created, followed by the National Energy Act of 1978.[citation needed] On November 28, 1995, Bill Clinton signed the National Highway Designation Act, ending the federal 55 mph (89 km/h) speed limit, allowing states to restore their prior maximum speed limit.
Document 11: John Kerry: On December 15, 2012, several news outlets reported that President Barack Obama would nominate Kerry to succeed Hillary Clinton as Secretary of State, after Susan Rice, widely seen as Obama's preferred choice, withdrew her name from consideration citing a politicized confirmation process following criticism of her response to the 2012 Benghazi attack. On December 21, Obama proposed the nomination which received positive commentary. His confirmation hearing took place on January 24, 2013, before the Senate Foreign Relations Committee, the same panel where he first testified in 1971. The committee unanimously voted to approve him on January 29, 2013, and the same day the full Senate confirmed him on a vote of 94–3. In a letter to Massachusetts Governor Deval Patrick, Kerry announced his resignation from the Senate effective February 1.
Document 12: Solar energy: The 1973 oil embargo and 1979 energy crisis caused a reorganization of energy policies around the world and brought renewed attention to developing solar technologies. Deployment strategies focused on incentive programs such as the Federal Photovoltaic Utilization Program in the US and the Sunshine Program in Japan. Other efforts included the formation of research facilities in the US (SERI, now NREL), Japan (NEDO), and Germany (Fraunhofer Institute for Solar Energy Systems ISE).
Document 13: Myanmar: The impact of the post-election reforms has been observed in numerous areas, including ASEAN's approval of Myanmar's bid for the position of ASEAN chair in 2014; the visit by United States Secretary of State Hillary Clinton in December 2011 for the encouragement of further progress, which was the first visit by a Secretary of State in more than fifty years, during which Clinton met with the Burmese president and former military commander Thein Sein, as well as opposition leader Aung San Suu Kyi; and the participation of Aung San Suu Kyi's National League for Democracy (NLD) party in the 2012 by-elections, facilitated by the government's abolition of the laws that previously barred the NLD. As of July 2013, about 100 political prisoners remain imprisoned, while conflict between the Burmese Army and local insurgent groups continues.
Document 14: Myanmar: The impact of the post-election reforms has been observed in numerous areas, including ASEAN's approval of Myanmar's bid for the position of ASEAN chair in 2014; the visit by United States Secretary of State Hillary Clinton in December 2011 for the encouragement of further progress—it was the first visit by a Secretary of State in more than fifty years (Clinton met with the Burmese president and former military commander Thein Sein, as well as opposition leader Aung San Suu Kyi); and the participation of Aung San Suu Kyi's National League for Democracy (NLD) party in the 2012 by-elections, facilitated by the government's abolition of the laws that previously barred the NLD. As of July 2013, about 100 political prisoners remain imprisoned, while conflict between the Burmese Army and local insurgent groups continues.
Document 15: Godwin Chepkurgor: In 2009, another Kenyan journalist brought up the subject of the 2000 marriage proposal to then U.S. Secretary of State Hillary Clinton during a town hall meeting with reporters. After a pause, Secretary Clinton replied saying, "My daughter is her own person. I will convey this very kind offer." Chepkurgor expressed happiness that his original marriage offer had been renewed in an interview with the BBC. Chepkurgor added at the time that his first wife, Grace, "did not object" to his proposal to Chelsea Clinton.
ground_truth: Chelsea Clinton
sub_queries: Which president ended the Emergency Energy Conservation Act? Answer: Bill Clinton
Bill Clinton >> child Answer: Chelsea Clinton