Problem: Sumer:

As is known from the "Sumerian Farmer's Almanac", after the flood season and after the Spring Equinox and the Akitu or New Year Festival, using the canals, farmers would flood their fields and then drain the water. Next they made oxen stomp the ground and kill weeds. They then dragged the fields with pickaxes. After drying, they plowed, harrowed, and raked the ground three times, and pulverized it with a mattock, before planting seed. Unfortunately the high evaporation rate resulted in a gradual increase in the salinity of the fields. By the Ur III period, farmers had switched from wheat to the more salt-tolerant barley as their principal crop.

Why did the Sumerian farmers make their oxen stomp the ground?
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A: kill weeds


Problem: The Philadelphia County Court of Common Pleas (First Judicial District) is the trial court of general jurisdiction for Philadelphia, hearing felony-level criminal cases and civil suits above the minimum jurisdictional limit of $7000 (excepting small claims cases valued between $7000 and $12000 and landlord-tenant issues heard in the Municipal Court) under its original jurisdiction; it also has appellate jurisdiction over rulings from the Municipal and Traffic Courts and over decisions of certain Pennsylvania state agencies (e.g. the Pennsylvania Liquor Control Board). It has 90 legally trained judges elected by the voters. It is funded and operated largely by city resources and employees. The current District Attorney is Seth Williams, a Democrat. The last Republican to hold the office is Ron Castille, who left in 1991 and is currently the Chief Justice of the Pennsylvania Supreme Court.
Who was the last Republican DA?
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Answer: Ron Castille


Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Videophone calls (also: videocalls, video chat as well as Skype and Skyping in verb form), differ from videoconferencing in that they expect to serve individuals, not groups. However that distinction has become increasingly blurred with technology improvements such as increased bandwidth and sophisticated software clients that can allow for multiple parties on a call. In general everyday usage the term videoconferencing is now frequently used instead of videocall for point-to-point calls between two units. Both videophone calls and videoconferencing are also now commonly referred to as a video link.
Videophone calls are different from videoconferencing in what way?
A: serve individuals, not groups


Context and question: In the aftermath of the First World War, Greece attempted further expansion into Asia Minor, a region with a large native Greek population at the time, but was defeated in the Greco-Turkish War of 1919–1922, contributing to a massive flight of Asia Minor Greeks. These events overlapped, with both happening during the Greek genocide (1914-1922), a period during which, according to various sources, Ottoman and Turkish officials contributed to the death of several hundred thousand Asia Minor Greeks. The resultant Greek exodus from Asia Minor was made permanent, and expanded, in an official Population exchange between Greece and Turkey. The exchange was part of the terms of the Treaty of Lausanne which ended the war.
An exchange of people between Greece and Turkey took place under what agreement?
Answer: Treaty of Lausanne


Question: Everton originally played in the southeast corner of Stanley Park, which was the site for the new Liverpool F.C. stadium, with the first official match taking place in 1879. In 1882, a man named J. Cruitt donated land at Priory Road which became the club's home before they moved to Anfield, which was Everton's home until 1892. At this time, a dispute of how the club was to be owned and run emerged with Anfield's owner and Everton's chairman, John Houlding. A dispute between Houlding and the club's committee over how the club should be run, led to Houlding attempting to gain full control of the club by registering the company, "Everton F.C. and Athletic Grounds Ltd". In response, Everton left Anfield for a new ground, Goodison Park, where the club have played ever since. Houlding attempted to take over Everton's name, colours, fixtures and league position, but was denied by The Football Association. Instead, Houlding formed a new club, Liverpool F.C.
Is there an answer to this question: In what year did John Houlding become Everton's chairman?

Answer: unanswerable


QUES: There have always been Arsenal supporters outside London, and since the advent of satellite television, a supporter's attachment to a football club has become less dependent on geography. Consequently, Arsenal have a significant number of fans from beyond London and all over the world; in 2007, 24 UK, 37 Irish and 49 other overseas supporters clubs were affiliated with the club. A 2011 report by SPORT+MARKT estimated Arsenal's global fanbase at 113 million. The club's social media activity was the fifth highest in world football during the 2014–15 season.

What was the world ranking of Arsenal's social media in 2015-15 season?
What is the answer?
ANS:
fifth highest