Question: Who is the President of the country where Ussa is located?

full_context: Document 1: 2018 Ouagadougou attacks: In the aftermath of the 2011 Libyan Civil War, militant attacks have increased due to a large influx of weapons and fighters into the region. Neighbouring Mali faced conflict in Azawad that threatened to split the country. Since 2015, Burkina Faso has faced cross-border attacks and sporadic raids in its territory, the result of instability and unrest in neighboring countries. Two major attacks have occurred in the capital Ouagadougou in recent years: In 2016, attacks on a hotel and restaurant killed 30 people, including foreigners; and in 2017, similar attacks killed 19 people, including foreigners. Both of these attacks were carried out by Al-Qaeda in the Islamic Maghreb.Burkina Faso also faced an uprising in 2014 leading to the downfall of President Blaise Compaoré later that year. Burkina Faso is a member of the Trans-Saharan Counterterrorism Partnership and its commitment of peacekeeping troops in Mali and Sudan has made it a target for extremists in the region.
Document 2: Babassoua: Babassoua is a village in the Lobaye region in the Central African Republic southwest of the capital, Bangui and near the border with the Democratic Republic of the Congo.
Document 3: Ussa: Ussa is a Local Government Area in Taraba State, Nigeria. Its headquarters are in the town of Lissam (). Ussa borders the Republic of Cameroon in the south; the Donga River forms its northern boundary. Ussa was created in 1996 during the regime of ″General Sani Abacha″ after an earlier attempt failed in 1983, Aticwo (kpambo), Rufu, Lumbu, Fikyu, Acha, Kpambo Puri, are some of the district council within Ussa<.ref>www.kuteb.tripod.com
Document 4: Islamism: Originating as the Jama'at al-Tawhid wal-Jihad in 1999, it pledged allegiance to al-Qaeda in 2004, participated in the Iraqi insurgency that followed the March 2003 invasion of Iraq by Western forces, joined the fight in the Syrian Civil War beginning in March 2011, and was expelled from al-Qaeda in early 2014, (which complained of its failure to consult and "notorious intransigence"). The group gained prominence after it drove Iraqi government forces out of key cities in western Iraq in a 2014 offensive. The group is adept at social media, posting Internet videos of beheadings of soldiers, civilians, journalists and aid workers, and is known for its destruction of cultural heritage sites. The United Nations has held ISIL responsible for human rights abuses and war crimes, and Amnesty International has reported ethnic cleansing by the group on a "historic scale". The group has been designated a terrorist organisation by the United Nations, the European Union and member states, the United States, India, Indonesia, Turkey, Saudi Arabia, Syria and other countries.
Document 5: Nigeria: Nigeria is a religiously diverse society, with Islam and Christianity being the most widely professed religions. Nigerians are nearly equally divided into Christians and Muslims, with a tiny minority of adherents of Animism and other religions. According to one recent estimate, over 40% of Nigeria's population adheres to Islam (mainly Sunni, other branches are also present). Christianity is practised by 58% of the population (among them 74% are Protestant, 25% Roman Catholic, 1% other Christian). Adherents of Animism and other religions collectively represent 1.4% of the population.
Document 6: Ukum: Ukum is a Local Government Area of Benue State, Nigeria. It has an area of and a population of 216,930 at the 2006 census.
Document 7: Misau: Misau is a Local Government Area of Bauchi State, Nigeria. Its headquarters are in the town of Misau. It was founded by Hamman Mangan who ruled as an unofficial King for a period of 25 years at around 1850 AD.
Document 8: Bassa, Plateau State: Bassa is a Local Government Area in the north of Plateau State, Nigeria, bordering Kaduna and Bauchi States. Its headquarters are in the town of Bassa at.
Document 9: Takum: Takum is a Local Government Area in Taraba State, Nigeria. Its headquarters are in the town of Takum, it is created out of Wukari local government in 1975, at . Takum borders the Republic of Cameroon in the south, Ussa Local Government to the west, Donga Local government to the north, District within Takum are Abuja, kwambai, jenuwa, Rogo, Dutse, Kashimbila, Bete, Chanchanji, Bika.
Document 10: Nigeria: Since 2002, the North East of the country has seen sectarian violence by Boko Haram, an Islamist movement that seeks to abolish the secular system of government and establish Sharia law. Nigerian President Goodluck Jonathan in May 2014 claimed that Boko Haram attacks have left at least 12,000 people dead and 8,000 people crippled. At the same time, neighbouring countries, Benin, Chad, Cameroon and Niger joined Nigeria in a united effort to combat Boko Haram in the aftermath of a world media highlighted kidnapping of 276 schoolgirls and the spread of Boko Haram attacks to these countries.
Document 11: Nigeria: Ethnocentrism, tribalism, religious persecution, and prebendalism have affected Nigerian politics both prior and subsequent to independence in 1960. Kin-selective altruism has made its way into Nigerian politics, resulting in tribalist efforts to concentrate Federal power to a particular region of their interests. Nationalism has also led to active secessionist movements such as MASSOB, Nationalist movements such as Oodua Peoples Congress, Movement for the Emancipation of the Niger Delta and a civil war. Nigeria's three largest ethnic groups (Hausa, Igbo and Yoruba) have maintained historical preeminence in Nigerian politics; competition amongst these three groups has fuelled corruption and graft.
Document 12: Gurara: Gurara is a Local Government Area in Niger State, Nigeria, adjoining the Federal Capital Territory. Its headquarters are in the town of Gawu.
Document 13: Ughelli South: Ughelli South is a Local Government Area of Delta State, Nigeria. It is made up of six Urhobo kingdoms namely: Ughievwen, Arhavwarien, Effurun Otor, Eghwu, Okparabe and Olomu. Otu Jeremi is the headquarters of Ughelli South LGA.
Document 14: Nigeria: According to a 2001 report from The World Factbook by CIA, about 50% of Nigeria's population is Muslim, 40% are Christians and 10% adhere to local religions. But in some recent report, the Christian population is now sightly larger than the Muslim population. An 18 December 2012 report on religion and public life by the Pew Research Center stated that in 2010, 49.3 percent of Nigeria's population was Christian, 48.8 percent was Muslim, and 1.9 percent were followers of indigenous and other religions, or unaffiliated. Additionally, the 2010s census of Association of Religion Data Archives has reported that 46.5 percent of the total population is Christian, slightly bigger than the Muslim population of 45.5 percent, and that 7.7 percent are members of other religious groups.
Document 15: Nigeria: The vast majority of Muslims in Nigeria are Sunni belonging to Maliki school of jurisprudence; however, a sizeable minority also belongs to Shafi madhhab. A large number of Sunni Muslims are members of Sufi brotherhoods. Most Sufis follow the Qadiriyya, Tijaniyyah and/or the Mouride movements. A significant Shia minority exists (see Shia in Nigeria). Some northern states have incorporated Sharia law into their previously secular legal systems, which has brought about some controversy. Kano State has sought to incorporate Sharia law into its constitution. The majority of Quranists follow the Kalo Kato or Quraniyyun movement. There are also Ahmadiyya and Mahdiyya minorities.
ground_truth: Goodluck Jonathan
sub_queries: Ussa >> country Answer: Nigeria
Who is the President of Nigeria ? Answer: Goodluck Jonathan