Question: The United States House Select Committee on Benghazi was created to investigate an attack by members of what group?

full_context: Document 1: United States House Select Committee on Benghazi: The United States House Select Committee on Events Surrounding the 2012 Terrorist Attack in Benghazi was created after Speaker of the United States House of Representatives John Boehner, on May 2, 2014, proposed that a House select committee would be formed to further investigate the Benghazi attack on September 11, 2012. During that event, the U.S. diplomatic mission in Benghazi, Libya was attacked, resulting in the deaths of the U.S. ambassador to that country, J. Christopher Stevens, and three other Americans. On May 8, 2014, the House voted 232–186 to establish the select committee, with 225 Republicans and 7 Democrats in favor, and 186 Democrats voting against. The chairman of the committee is Representative Trey Gowdy from South Carolina.
Document 2: 2015 Arish attack: The 2015 Arish attack was a terrorist attack on a hotel in the coastal city of Al-Arish, Egypt, on 24 November 2015. A group of militants approached the heavily guarded hotel with a car bomb, but Egyptian security forces opened fire at the vehicle, blowing it up before it could reach the building. One of the two attackers managed to get inside the hotel, where a number of people were injured and killed as a result of gunfire and a subsequent suicide bombing. Authorities reported at least seven dead, including two judges who had been in Al-Arish to supervise the country's second round of parliamentary elections, held the day before. The Islamic State's Wilayat Sinai offshoot claimed responsibility in a statement released later the same day.
Document 3: 20 March 2012 Iraq attacks: The 20 March 2012 Iraq attacks were the sixth simultaneous wave of bombings to hit Iraq during the insurgency and the second such major assault since the US withdrawal at the end of 2011. At least 50 people were killed and around 250 wounded in highly coordinated attacks spread out in at least 10 cities. The deadliest attack of the day took place in Karbala where twin bombings left 13 dead and 50 injured. In the northern city of Kirkuk a car parked in the parking lot of a local security office exploded, killing 13 and leaving almost 60 wounded. Several explosions rocked the capital Baghdad, including mortar attacks close to the Green Zone and a suicide blast near an intelligence building opposite the Foreign Ministry – three people were killed and nine wounded in that attack. Numerous other bombings and shootings took place all across the country, including Fallujah, Samarra, Baiji, Hillah, Latifiya, Tuz Khormato and others. A car bomb in Ramadi killed two and injured 11, as unidentified gunmen shot and killed two police officers in a nearby village. Authorities in Baqubah discovered and successfully disarmed at least eight explosive devices.
Document 4: 1984 United States embassy annex bombing: On September 20, 1984, the Shi'a Islamic militant group Hezbollah, with support and direction from the Islamic Republic of Iran, carried out a suicide car bombing targeting the U.S. embassy annex in East Beirut, Lebanon. The attack killed 24 people.
Document 5: 2012 Benghazi attack: The 2012 Benghazi attack refers to a coordinated attack against two United States government facilities in Benghazi, Libya by members of the Islamic militant group Ansar al-Sharia.
Document 6: United States House Select Committee on an Alleged Abstraction of a Report from the Clerk's Office: United States House Select Committee on an Alleged Abstraction of a Report from the Clerk's Office
Document 7: 2017 al-Jinah airstrike: On 16 March 2017, an airstrike by the United States Armed Forces killed up to 49 people in the rebel-held village of al-Jinah near Aleppo, Syria. The US military claimed the people targeted were militants belonging to the terrorist group al-Qaeda. However, the Syrian Observatory for Human Rights (SOHR), local residents and local officials have claimed that the building struck was a mosque filled with worshipers. At the time, US military claimed that the structure bombed was not a mosque itself but was next to a mosque, which was undamaged. However, on May 5, 2017, a US Central Command investigation determined that the building was indeed part of a mosque-complex. Rami Abdel Rahman, head of SOHR, claimed the structure was a mosque which held over 300 people at the time of the strike.
Document 8: United States House Select Committee to Investigate Alleged Corruptions in Government: United States House Select Committee to Investigate Alleged Corruptions in Government
Document 9: 23 May 2016 Yemen bombings: On 23 May 2016, two suicide bombings, conducted by the Islamic State of Iraq and the Levant, killed at least 45 potential army recruits in Aden, Yemen. The first attack, which targeted a lineup, killed 20. The second attack, which occurred inside the base, killed 25. The Islamic State of Iraq and the Levant claimed responsibility for the attack. The attack was preceded by the 2016 Yemen Police bombings in the Yemeni city of Mukalla, which killed more than 48 people and injured over 60.
Document 10: United States House Select Committee to Investigate Tax-Exempt Foundations and Comparable Organizations: United States House Select Committee to Investigate Tax-Exempt Foundations and Comparable Organizations
Document 11: United States House Select Committee on Government Contracts: United States House Select Committee on Government Contracts
Document 12: John Boehner: John Andrew Boehner ( ; born November 17 , 1949) is an American politician who served as the 53rd Speaker of the United States House of Representatives from 2011 to 2015. A member of the Republican Party, Boehner was the U.S. Representative from Ohio 's 8 congressional district , serving from 1991 to 2015. The district included several rural and suburban areas near Cincinnati and Dayton.
Document 13: Ali Awni al-Harzi: Ali bin al-Tahar bin al-Falih al-'Awni al-Harzi, known as Abu Zubayr al-Tunisi, was a Tunisian Islamic militant and a senior leader in the Islamic State. He was also a suspect in the 2012 Benghazi attack.
Document 14: Camp Chapman attack: The Camp Chapman attack was a suicide attack by Humam Khalil Abu-Mulal al-Balawi against the Central Intelligence Agency facility inside Forward Operating Base Chapman on December 30, 2009. FOB Chapman is located near the eastern Afghanistan city of Khost, which is about 10 miles northwest of the border with Pakistan. One of the main tasks of the CIA personnel stationed at the base was to provide intelligence supporting drone attacks against targets in Pakistan. Seven American CIA officers and contractors, an officer of Jordan's intelligence service, and an Afghan working for the CIA were killed when al-Balawi detonated a bomb sewn into a vest he was wearing. Six other American CIA officers were wounded. The bombing was the most lethal attack against the CIA in more than 25 years.
Document 15: Reactions to the Northwest Airlines Flight 253 attack: Reactions to the Northwest Airlines Flight 253 attack
ground_truth: Ansar al-Sharia