Question: Who is the president of Anthony Njokuani's country?

full_context: Document 1: Ufuoma McDermott: Ejenobor was born in Benin City to Nigerian parents who hail from Delta State in Nigeria. She moved a lot - from Benin City to Jos, where she spent the better part of her toddler years, and later to Lagos, where she has lived for the greater part of her life and still resides till date. At the age of seven, her father coined a pet name for her: ISIO (which means "star" in Urhobo). She was so named after the star actress of the TELEFEST programme put together by NTA Benin, "The Pot of Life".
Document 2: Anthony Njokuani: Born in Enugu, Nigeria on March 1, 1980, Anthony Njokuani and his family immigrated to the United States in 1983, settling in Garland, Texas. Njokuani began his martial arts training in Tae Kwon Do at the age of 17 before later moving on to Muay Thai and then mixed martial arts at the age of 21. Njokuani's younger brother, Chidi, is also a professional mixed martial artist.
Document 3: 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 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: Yuya Yamamoto: Yuya Yamamoto was born in Takasu, Onomichi in Hiroshima, Japan on July 15, 1984. He started learning karate at Kushukaikan during his high school life. Although he was only 16 years old, he won the All Japan Shin Karate championships at lightweight. After winning the championship, he moved to Tokyo and joined "Booch Beat", a kickboxing team, to be a kickboxer. On September 7, 2001, he debuted as a professional kickboxer for All Japan Kickboxing Federation(AJKF). At this time, he was only 17 years old.
Document 6: 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 7: 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 8: Nguyễn Lộc: In his younger years he trained in traditional Vietnamese martial arts. In 1938, grandmaster Nguyễn introduced his style "Vovinam" to the public. After a demonstration in 1939 in Hanoi, Vovinam quickly spread across the country, and internationally to the Vietnamese diaspora via France. However the French banned the movement in 1942.
Document 9: 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 10: Eni Njoku: Eni Njoku studied botany at the University of Manchester in England. He graduated with a first class honors degree in 1947 and obtained his M.A. degree the following year. In 1954, he obtained his doctorate from the University of London.
Document 11: 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.
Document 12: 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 13: André Bahia: André Bahia was born and raised in the Tijuca area of Rio de Janeiro. He has four brothers from his father's side from a previous marriage and one sister. His father was a professional boxer in one of the lightest classes available. He was a six time Rio State champion.
Document 14: Nigeria: Nigeria is often referred to as the "Giant of Africa", owing to its large population and economy. With approximately 182 million inhabitants, Nigeria is the most populous country in Africa and the seventh most populous country in the world. Nigeria has one of the largest populations of youth in the world. The country is viewed as a multinational state, as it is inhabited by over 500 ethnic groups, of which the three largest are the Hausa, Igbo and Yoruba; these ethnic groups speak over 500 different languages, and are identified with wide variety of cultures. The official language is English. Nigeria is divided roughly in half between Christians, who live mostly in the southern part of the country, and Muslims in the northern part. A minority of the population practise religions indigenous to Nigeria, such as those native to Igbo and Yoruba peoples.
Document 15: Nguyễn Quốc Huân: Nguyễn Quốc Huân (born October 2, 1981 in Hanoi) is a Vietnamese taekwondo practitioner, who competed in the men's flyweight category. He claimed a silver medal in the 58-kg division at the 2005 Southeast Asian Games in Manila, Philippines, and finished fifth at the 2004 Summer Olympics, representing his nation Vietnam. Nguyen is also the elder brother and a personal coach of Nguyen Quoc Cuong, who claimed the bronze medal in the boys' 55 kg category at the inaugural Youth Olympic Games in Singapore in 2010.
ground_truth: Goodluck Jonathan
sub_queries: What is Anthony Njokuani's country of citizenship? Answer: Nigeria
Who is the President of Nigeria ? Answer: Goodluck Jonathan