Question: Who is the president of the senate in the country containing Aradhe?

full_context: Document 1: Ngaraard: Ngaraard is the eighth state of the Republic of Palau, and was originally named Kerradel. Ngaraard is located on the northern tip of Babeldaob directly adjacent to Ngarchelong state. There are five hamlets in Ngaraard, including Choll, Elab, Ngebuked, Ngkeklau and the state capital, Ulimang, located on the eastern shore of the state. Previously, the capital of Ngaraard was the village of Ngebuked, where the traditional leader of the state, Maderangebuked, lived and reigned. There is a saying in Ngaraard, A rengud a dokngei, meaning "everyone works together as one in spirit and in the heart."
Document 2: Adra, Purulia: Adra is an important census town and a railway colony which was originally known for its 90% of Anglo-Indian population in Purulia district in the Indian state of West Bengal.This town is well known as a cultural hub in Purulia district and also a populated area. Adra town is mainly divided into two parts by railway track, which are North settlement side area and South settlement side area. As per administration, Northern part falls under Raghunathpur block area of Bankura Lok Sabha constituency and Southern part falls under Kashipur block area of Purulia Lok Sabha constituency.
Document 3: Adavi, Nigeria: Adavi is a Local Government Area in Kogi State, Nigeria, adjoining Edo State in the south and the state capital Lokoja in the north. Its headquarters are in the town of Ogaminana near the A123 highway in the southwest of the area at.
Document 4: Arsky District: Arsky District (; , "Arça rayonı") is an administrative and municipal district (raion), one of the forty-three in the Tatarstan, Russia. It is located in the northwest of the republic. The area of the district is . Its administrative center is the town of Arsk. Population: 51,343 (2002 Census); The population of Arsk accounts for 35.1% of the district's total population. It is possible to go by means of a commuter train from Kazan to Arsk and visa versa. There is a Teacher's College in the town of Arsk. The district specializes in writing Tatar language ABC textbooks.
Document 5: President of the Senate of Nigeria: The President of the Senate is the presiding officer of the Senate of Nigeria, elected by its membership. The Senate President is second in line for succession to the Nigerian presidency, after the Vice President of Nigeria. The current President of the Senate is Bukola Saraki.
Document 6: Georgia State Senate: The presiding officer of the Senate is the President of the Senate. A President Pro Tempore, usually a high - ranking member of the majority party, acts as President in case of the temporary disability of the President. In case of the death, resignation, or permanent disability of the President or in the event of the succession of the President to the executive power, the President Pro Tempore becomes President. The Senate also has as an officer the Secretary of the Senate.
Document 7: United States Senate: The presiding officer of the Senate is the Vice President of the United States, who is President of the Senate. In the Vice President's absence, the President Pro Tempore, who is customarily the senior member of the party holding a majority of seats, presides over the Senate. In the early 20th century, the practice of majority and minority parties electing their floor leaders began, although they are not constitutional officers.
Document 8: Deputy President of the Nigerian Senate: Deputy Senate Presidents of Nigeria Deputy Senate President Term Party Ibrahim Mantu 1999 - 2007 PDP Ike Ekweremadu 2007 - present PDP
Document 9: Age of candidacy: In Nigeria, a person must be at least 35 years of age to be elected President or Vice President, 30 to be a Senator or State Governor, and 25 to be a Representative in parliament.
Document 10: Ardentown, Delaware: Ardentown is a village in New Castle County, Delaware, United States. According to the 2010 Census, the population of the village is 264.
Document 11: Arcadia, Oklahoma: Arcadia is a town in Oklahoma County, Oklahoma, United States, and a part of the Oklahoma City metropolitan area. The population was 247 at the 2010 census, a decrease of 11.5 percent from 279 at the 2000 census.
Document 12: Nigeria: Nigeria is a Federal Republic modelled after the United States, with executive power exercised by the president. It is influenced by the Westminster System model[citation needed] in the composition and management of the upper and lower houses of the bicameral legislature. The president presides as both Head of State and head of the national executive; the leader is elected by popular vote to a maximum of two 4-year terms. In the March 28, 2015 presidential election, General Muhammadu Buhari emerged victorious to become the Federal President of Nigeria, defeating then incumbent Goodluck Jonathan.
Document 13: Vice President of Nigeria: The Vice President of Nigeria is the second - in - command to the President of Nigeria in the Government of Nigeria. Officially styled Vice President of the Federal Republic of Nigeria, the Vice President is elected alongside the President in national elections. The office is currently held by Yemi Osinbajo.
Document 14: Aradhe: Aradhe is a town in the Isoko North Local Government Area (LGA), Isoko region of Delta State, Nigeria. The town has an estimated population of 20,000 inhabitants. Aradhe has a primary school called Aradhe Primary School founded in 19XX and a secondary school called Aradhe Grammar School founded in 19xx. The inhabitants of Aradhe are friendly and accommodating.
Document 15: Arkadioi: Arkadioi () was a former municipality on the island of Zakynthos, Ionian Islands, Greece. Since the 2011 local government reform it is part of the municipality Zakynthos, of which it is a municipal unit. It is located on the north coast of the island. It has a land area of 26.475 km². Its population was 5,215 at the 2011 census. The seat of the municipality was in Vanato (pop. 1,045). Other large towns are Planos (742), Ágios Kírykos (733), Tragáki (622), Kalipado (709), and Sarakinádo (619).
ground_truth: Bukola Saraki
sub_queries: Aradhe >> country Answer: Nigeria
who is the president of the senate in Nigeria Answer: Bukola Saraki