Problem: Yale University:

Yale University, one of the oldest universities in the United States, is a cultural referent as an institution that produces some of the most elite members of society and its grounds, alumni, and students have been prominently portrayed in fiction and U.S. popular culture. For example, Owen Johnson's novel, Stover at Yale, follows the college career of Dink Stover and Frank Merriwell, the model for all later juvenile sports fiction, plays football, baseball, crew, and track at Yale while solving mysteries and righting wrongs. Yale University also is featured in F. Scott Fitzgerald's novel "The Great Gatsby". The narrator, Nick Carraway, wrote a series of editorials for the Yale News, and Tom Buchanan was "one of the most powerful ends that ever played football" for Yale.

What F. Scott Fitzgerald novel is Yale a part of?
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A: The Great Gatsby

Problem: The creation of a unified German Empire ended the balance of power that had been created with the Congress of Vienna after the end of the Napoleonic Wars. Germany had established itself as the main power in continental Europe with the most powerful and professional army in the world.[citation needed] Although Great Britain remained the dominant world power, British involvement in European affairs during the late 19th century was very limited, allowing Germany to exercise great influence over the European mainland.[citation needed] Besides, the Crown Prince's marriage with the daughter of Queen Victoria was only the most prominent of several GermanBritish relationships.
Who remained the dominant world power at this time?
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Answer: Great Britain

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
There are many art galleries in Utrecht. There are also several foundations to support art and artists. Training of artists is done at the Utrecht School of the Arts. The Centraal Museum has many exhibitions on the arts, including a permanent exhibition on the works of Utrecht resident illustrator Dick Bruna, who is best known for creating Miffy ("Nijntje", in Dutch). Although street art is illegal in Utrecht, the Utrechtse Kabouter, a picture of a gnome with a red hat, became a common sight in 2004. Utrecht also houses one of the landmarks of modern architecture, the 1924 Rietveld Schroder House, which is listed on UNESCO's world heritage sites.
Where are young artist trained
A: Training of artists is done at the Utrecht School of the Arts

Context and question: Tucson's primary electrical power source is a coal and natural gas power-plant managed by Tucson Electric Power that is situated within the city limits on the south-western boundary of Davis-Monthan Air-force base adjacent to Interstate-10. The air pollution generated has raised some concerns as the Sundt operating station has been online since 1962 as is exempt from many pollution standards and controls due to its age. Solar has been gaining ground in Tucson with its ideal over 300 days of sunshine climate. Federal, state, and even local utility credits and incentives have also enticed residents to equip homes with solar systems. Davis-Monthan AFB has a 3.3 Megawatt (MW) ground-mounted solar photovoltaic (PV) array and a 2.7 MW rooftop-mounted PV array, both of which are located in the Base Housing area. The base will soon have the largest solar-generating capacity in the United States Department of Defense after awarding a contract on September 10, 2010, to SunEdison to construct a 14.5 MW PV field on the northwestern side of the base.
What does Tucson's main power plant use for fuel?
Answer: coal and natural gas

Question: The U.S. census race definitions says a "black" is a person having origins in any of the black (sub-Saharan) racial groups of Africa. It includes people who indicate their race as "Black, African Am., or Negro" or who provide written entries such as African American, Afro-American, Kenyan, Nigerian, or Haitian. The Census Bureau notes that these classifications are socio-political constructs and should not be interpreted as scientific or anthropological. Most African Americans also have European ancestry in varying amounts; a lesser proportion have some Native American ancestry. For instance, genetic studies of African Americans show an ancestry that is on average 1718% European.
Is there an answer to this question: How does the U.S. census define "black" Americans?

Answer: having origins in any of the black (sub-Saharan) racial groups of Africa

Problem: Cardinal (Catholicism):

The term cardinal at one time applied to any priest permanently assigned or incardinated to a church, or specifically to the senior priest of an important church, based on the Latin cardo (hinge), meaning "principal" or "chief". The term was applied in this sense as early as the ninth century to the priests of the tituli (parishes) of the diocese of Rome. The Church of England retains an instance of this origin of the title, which is held by the two senior members of the College of Minor Canons of St Paul's Cathedral.

What is the term applied to any priest temporarily assigned or incardinated to a church?
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A:
unanswerable