Article: As the Laws were formulated in England, and were initially administered solely by the four British football associations within IFAB, the standard dimensions of a football pitch were originally expressed in imperial units. The Laws now express dimensions with approximate metric equivalents (followed by traditional units in brackets), though use of imperial units remains popular in English-speaking countries with a relatively recent history of metrication (or only partial metrication), such as Britain.

Question: Imperial units where once used to express the dimensions of a what?
Ans: football pitch

Article: SL Benfica, FC Porto, and Sporting CP are the largest sports clubs by popularity and by number of trophies won, often known as "os tres grandes" ("the big three"). They have won eight titles in the European UEFA club competitions, were present in many finals and have been regular contenders in the last stages almost every season. Other than football, many Portuguese sports clubs, including the "big three", compete in several other sports events with a varying level of success and popularity, these may include roller hockey, basketball, futsal, handball, and volleyball. The Portuguese Football Federation (FPF) Federacao Portuguesa de Futebol annually hosts the Algarve Cup, a prestigious women's football tournament that has been celebrated in the Algarvian part of Portugal.

Question: What are the three largest sports club by popularity in Portugal known as?
Ans: "os tres grandes" ("the big three")

Article: The early port settlement of Plymouth, called "Sutton", approximates to the area now referred to as the Barbican and has 100 listed buildings and the largest concentration of cobbled streets in Britain. The Pilgrim Fathers left for the New World in 1620 near the commemorative Mayflower Steps in Sutton Pool. Also on Sutton Pool is the National Marine Aquarium which displays 400 marine species and includes Britain's deepest aquarium tank.

Question: When did the Pilgrim Fathers depart Plymouth for the Americas?
Ans: 1620

Article: Nigeria was ranked 30th in the world in terms of GDP (PPP) in 2012. Nigeria is the United States' largest trading partner in sub-Saharan Africa and supplies a fifth of its oil (11% of oil imports). It has the seventh-largest trade surplus with the US of any country worldwide. Nigeria is the 50th-largest export market for US goods and the 14th-largest exporter of goods to the US. The United States is the country's largest foreign investor. The International Monetary Fund (IMF) projected economic growth of 9% in 2008 and 8.3% in 2009. The IMF further projects an 8% growth in the Nigerian economy in 2011.

Question: Which sub-Saharan African nation does the most trade with the US?
Ans:
Nigeria