Problem: Information: - Ali Babba bin Bello ( 1804 -- 1859 ) was the fourth Sultan of the Sokoto Caliphate from 1842 to 1859 . Ali bin Bello is known by a variety of different names in different sources , including : Ali bin Bello , Aliyu Babba ( not to be confused with his grandson and namesake , the Emir of Kano from 1894 - 1903 with the same name ) , and Mai Cinaka . - Shaihu Usman dan Fodio, born Usuman ii Foduye, (also referred to as Shaikh Usman Ibn Fodio, Shehu Uthman Dan Fuduye, Shehu Usman dan Fodio or Shaikh Uthman Ibn Fodio) (1754, Gobir 1817, Sokoto) was a religious teacher, writer and Islamic promoter, and the founder of the Sokoto Caliphate. Dan Fodio was one of a class of urbanized ethnic Fulani living in the Hausa States in what is today northern Nigeria. He was a leader who followed the Sunni Maliki school of Jurisprudence and the Qadiri branch of Sufism. - West Africa, also called Western Africa and the West of Africa, is the westernmost subregion of Africa. West Africa has been defined as including 18 countries: Benin, Burkina Faso, the island nation of Cape Verde, Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Mali, Mauritania, Niger, Nigeria, the island of Saint Helena, Senegal, Sierra Leone, Sao Tome and Principe and Togo. - The Fulani Jihad of 18041808, also known as the Fulani War or Jihad of Usman dan Fodio, was a military contest in present-day Nigeria and Cameroon. The war began when Usman dan Fodio, a prominent Islamic scholar and teacher, was exiled from Gobir by the king Yunfa, one of his former students. - Northern Nigeria was a British protectorate which lasted from 1900 until 1914 and covered the northern part of what is now Nigeria. - The Sokoto Caliphate was an independent Islamic Caliphate, in West Africa. Founded during the jihad of the Fulani War in 1809 by Usman dan Fodio, it was abolished when the British defeated the caliph in 1903 and put the area under the Northern Nigeria Protectorate. - Sokoto is a city located in the extreme northwest of Nigeria, near the confluence of the Sokoto River and the Rima River. As of 2006 it has a population of 427,760. Sokoto is the modern-day capital of Sokoto State (and its predecessor, the north-western State). What entity does 'ali babba bin bello' has the relation 'date of birth' with?

A: 1808

Problem: Information: - The Russell 3000 Index is a capitalization-weighted stock market index, maintained by FTSE Russell, that seeks to be a benchmark of the entire U.S stock market. It measures the performance of the 3,000 largest publicly held companies incorporated in America and is based on market capitalization. It represents approximately 98% of the American public equity market. The stocks of the Russell 3000 Index have a weighted average market capitalization of about $126 billion; the median market capitalization is approximately $1.6 billion. The index was launched on January 1, 1984. - A stock index or stock market index is a measurement of the value of a section of the stock market. It is computed from the prices of selected stocks (typically a weighted average). It is a tool used by investors and financial managers to describe the market, and to compare the return on specific investments. - The Russell 2500 Index measures the performance of the 2,500 smallest companies in the Russell 3000 Index , or about 19 % of its total capitalization . Weighted average capitalization is approximately $ 2 billion and median capitalization is $ 705.8 million . The largest company in the index is $ 4.5 billion . What entity does 'russell 2500 index' has the relation 'instance of' with?

A:
stock market index