Article: In the medieval period the wall circuit was expanded. Via Vittorio Emanuele continued to be the main road east-west through the walled city. West gate was still Porta Nuova, the circuit continued to Corso Alberti, to Piazza Vittorio Emanuele Orlando where it turned east along Via Volturno to Piazza Verdi and along the line of Via Cavour. At this north-east corner there was a defence, Castello a Mare, to protect the port at La Cala. A huge chain was used to block La Cala with the other end at S Maria della Catena (St Mary of the Chain). The sea-side wall was along the western side of Foro Italico Umberto. The wall turns west along the northern side of Via Abramo Lincoln, continues along Corso Tukory. The wall turns north approximately on Via Benedetto, to Palazzo dei Normanni and back to Porta Nuova. Source: Palermo - City Guide by Adriana Chirco, 1998, Dario Flaccovio Editore.

Question: What was used to block passage through the La Cala port?
Ans: A huge chain


Here is a question about this article: Batman's Treaty with the Aborigines was annulled by the New South Wales governor (who at the time governed all of eastern mainland Australia), with compensation paid to members of the association. In 1836, Governor Bourke declared the city the administrative capital of the Port Phillip District of New South Wales, and commissioned the first plan for the city, the Hoddle Grid, in 1837. The settlement was named Batmania after Batman. However, later that year the settlement was named "Melbourne" after the British Prime Minister, William Lamb, 2nd Viscount Melbourne, whose seat was Melbourne Hall in the market town of Melbourne, Derbyshire. On 13 April 1837 the settlement's general post office officially opened with that name.
What is the answer to this question: What was the settlement originally named?
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So... Batmania


The problem: Answer a question about this article:
Hidalgo was turned over to the Bishop of Durango, Francisco Gabriel de Olivares, for an official defrocking and excommunication on July 27, 1811. He was then found guilty of treason by a military court and executed by firing squad on July 30 at 7 in the morning. Before his execution, he thanked his jailers, Private Soldiers Ortega and Melchor, in letters for their humane treatment. At his execution, Hidalgo placed his right hand over his heart to show the riflemen where they should aim. He also refused the use of a blindfold. His body, along with the bodies of Allende, Aldama and José Mariano Jiménez were decapitated, and the heads were put on display on the four corners of the Alhóndiga de Granaditas in Guanajuato. The heads remained there for ten years until the end of the Mexican War of Independence to serve as a warning to other insurgents. Hidalgo's headless body was first displayed outside the prison but then buried in the Church of St Francis in Chihuahua. Those remains would later be transferred in 1824 to Mexico City.
How was Hidalgo executed after having been found guilty?
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The answer: firing squad


Problem: Please answer a question about the following article about Economy of Greece:
Greece's rail network is estimated to be at 2,548 km. Rail transport in Greece is operated by TrainOSE, a subsidiary of the Hellenic Railways Organization (OSE). Most of the country's network is standard gauge (1,565 km), while the country also has 983 km of narrow gauge. A total of 764 km of rail are electrified. Greece has rail connections with Bulgaria, the Republic of Macedonia and Turkey. A total of three suburban railway systems (Proastiakos) are in operation (in Athens, Thessaloniki and Patras), while one metro system is operational in Athens with another under construction.
How long is Greek's rail network estimated to run?
A: 2,548 km


Question: Read this and answer the question

A "country pub" by tradition is a rural public house. However, the distinctive culture surrounding country pubs, that of functioning as a social centre for a village and rural community, has been changing over the last thirty or so years. In the past, many rural pubs provided opportunities for country folk to meet and exchange (often local) news, while others—especially those away from village centres—existed for the general purpose, before the advent of motor transport, of serving travellers as coaching inns.

What was a function of distant country pubs before the rise of motor vehicles?
Answer: serving travellers as coaching inns


In 2003, additional UN sanctions were placed on Liberian timber exports, which had risen from US$5 million in 1997 to over US$100 million in 2002 and were believed to be funding rebels in Sierra Leone. These sanctions were lifted in 2006. Due in large part to foreign aid and investment inflow following the end of the war, Liberia maintains a large account deficit, which peaked at nearly 60% in 2008. Liberia gained observer status with the World Trade Organization in 2010 and is in the process of acquiring full member status.
What were UN sanctions place placed on 2003?
Liberian timber exports