Problem: The Statistics Portugal (Portuguese: INE - Instituto Nacional de Estatistica) estimates that, according to the 2011 census, the population was 10,562,178 (of which 52% was female, 48% was male). This population has been relatively homogeneous for most of its history: a single religion (Catholicism) and a single language have contributed to this ethnic and national unity, namely after the expulsion of the Moors and Jews. A considerable number of Moors and Jews, nevertheless, stayed in Portugal, under the condition that they converted to Catholicism, and afterwards they were known as Mouriscos (former Muslims) and Cristaos Novos (New Christians or former Jews) some of whom may have continued to observe rabbinic Judaism in secret, as in the case of the secret Jews of Belmonte, who now observe the Jewish faith openly. After 1772 the distinction between Old and New Christians was abolished by decree. Some famous Portuguese New Christians were the mathematician Pedro Nunes and the physician and naturalist Garcia de Orta.
What is the dominant religion in Portugal?
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Answer: Catholicism

Problem: On the morning of 11 September 2001, 19 men affiliated with al-Qaeda hijacked four airliners all bound for California. Once the hijackers assumed control of the airliners, they told the passengers that they had the bomb on board and would spare the lives of passengers and crew once their demands were met no passenger and crew actually suspected that they would use the airliners as suicide weapons since it had never happened before in history. The hijackers members of al-Qaeda's Hamburg cell intentionally crashed two airliners into the Twin Towers of the World Trade Center in New York City. Both buildings collapsed within two hours from fire damage related to the crashes, destroying nearby buildings and damaging others. The hijackers crashed a third airliner into the Pentagon in Arlington County, Virginia, just outside Washington D.C. The fourth plane crashed into a field near Shanksville, Pennsylvania, after some of its passengers and flight crew attempted to retake control of the plane, which the hijackers had redirected toward Washington D.C., to target the White House, or the U.S. Capitol. No flights had survivors. A total of 2,977 victims and the 19 hijackers perished in the attacks.
How many planes were hijacked on 9/11?
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Answer: four

Problem: Christians have made a myriad contributions in a broad and diverse range of fields, including the sciences, arts, politics, literatures and business. According to 100 Years of Nobel Prizes, a review of Nobel prizes awarded between 1901 and 2000 reveals that (65.4%) of Nobel Prizes laureates identified Christianity in its various forms as their religious preference.
How many Nobel Prize laureates between 1901 and 2000 identify as politics?
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Answer:
unanswerable