Problem: New Delhi:

Indira Gandhi International Airport, situated to the southwest of Delhi, is the main gateway for the city's domestic and international civilian air traffic. In 2012-13, the airport was used by more than 35 million passengers, making it one of the busiest airports in South Asia. Terminal 3, which cost 96.8 billion (US$1.4 billion) to construct between 2007 and 2010, handles an additional 37 million passengers annually.

What major airport is located to the southwest of Delhi?
---
A: Indira Gandhi International Airport

Problem: Following the earthquake, Joseph I gave his Prime Minister even more power, and Sebastiao de Melo became a powerful, progressive dictator. As his power grew, his enemies increased in number, and bitter disputes with the high nobility became frequent. In 1758 Joseph I was wounded in an attempted assassination. The Tavora family and the Duke of Aveiro were implicated and executed after a quick trial. The Jesuits were expelled from the country and their assets confiscated by the crown. Sebastiao de Melo prosecuted every person involved, even women and children. This was the final stroke that broke the power of the aristocracy. Joseph I made his loyal minister Count of Oeiras in 1759.
What act finally broke the power of the aristocracy?
---
Answer: Sebastiao de Melo prosecuted every person involved, even women and children

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
In 2003 a congressional committee called the FBI's organized crime informant program "one of the greatest failures in the history of federal law enforcement." The FBI allowed four innocent men to be convicted of the March 1965 gangland murder of Edward "Teddy" Deegan in order to protect Vincent Flemmi, an FBI informant. Three of the men were sentenced to death (which was later reduced to life in prison), and the fourth defendant was sentenced to life in prison. Two of the four men died in prison after serving almost 30 years, and two others were released after serving 32 and 36 years. In July 2007, U.S. District Judge Nancy Gertner in Boston found the bureau helped convict the four men using false witness account by mobster Joseph Barboza. The U.S. Government was ordered to pay $100 million in damages to the four defendants.
How many of the men died in prison?
A: Two

Context and question: The Liberals' immediate predecessor was the United Australia Party (UAP). More broadly, the Liberal Party's ideological ancestry stretched back to the anti-Labor groupings in the first Commonwealth parliaments. The Commonwealth Liberal Party was a fusion of the Free Trade Party and the Protectionist Party in 1909 by the second prime minister, Alfred Deakin, in response to Labor's growing electoral prominence. The Commonwealth Liberal Party merged with several Labor dissidents (including Billy Hughes) to form the Nationalist Party of Australia in 1917. That party, in turn, merged with Labor dissidents to form the UAP in 1931.
In what year was the prime minister party formed?
Answer: unanswerable

Question: Three-phase AC railway electrification was used in Italy, Switzerland and the United States in the early twentieth century. Italy was the major user, for lines in the mountainous regions of northern Italy from 1901 until 1976. The first lines were the Burgdorf-Thun line in Switzerland (1899), and the lines of the Ferrovia Alta Valtellina from Colico to Chiavenna and Tirano in Italy, which were electrified in 1901 and 1902. Other lines where the three-phase system were used were the Simplon Tunnel in Switzerland from 1906 to 1930, and the Cascade Tunnel of the Great Northern Railway in the United States from 1909 to 1927.
Is there an answer to this question: What country was a bigger user compare to the three of them?

Answer: Italy

Problem: Utrecht:

In 1528 the bishop lost secular power over both Neder- and Oversticht which included the city of Utrecht to Charles V, Holy Roman Emperor. Charles V combined the Seventeen Provinces (the current Benelux and the northern parts of France) as a personal union. This ended the prince-bishopric Utrecht, as the secular rule was now the lordship of Utrecht, with the religious power remaining with the bishop, although Charles V had gained the right to appoint new bishops. In 1559 the bishopric of Utrecht was raised to archbishopric to make it the religious center of the Northern ecclesiastical province in the Seventeen provinces.

What was the religious center of Norther Europe?
---
A:
unanswerable