Input: Read this: Saint Athanasius of Alexandria (/ˌæθəˈneɪʃəs/; Greek: Ἀθανάσιος Ἀλεξανδρείας, Athanásios Alexandrías; c. 296–298 – 2 May 373), also called Athanasius the Great, Athanasius the Confessor or, primarily in the Coptic Orthodox Church, Athanasius the Apostolic, was the twentieth bishop of Alexandria (as Athanasius I). His episcopate lasted 45 years (c. 8 June 328 – 2 May 373), of which over 17 were spent in five exiles ordered by four different Roman emperors. Athanasius is a renowned Christian theologian, a Church Father, the chief defender of Trinitarianism against Arianism, and a noted Egyptian leader of the fourth century.
Question:  For how many years was Saint Athanasius of Alexandria a pope?

Output: unanswerable


QUES: Meanwhile, he had written to Abu Ya'far, the prefect of the dynamic city of Isfahan, offering his services. The new emir of Hamadan, hearing of this correspondence and discovering where Ibn Sina was hiding, incarcerated him in a fortress. War meanwhile continued between the rulers of Isfahan and Hamadãn; in 1024 the former captured Hamadan and its towns, expelling the Tajik mercenaries. When the storm had passed, Ibn Sina returned with the emir to Hamadan, and carried on his literary labors. Later, however, accompanied by his brother, a favorite pupil, and two slaves, Ibn Sina escaped from the city in the dress of a Sufi ascetic. After a perilous journey, they reached Isfahan, receiving an honorable welcome from the prince.

What mercenaries were expelled after Isfahan's victory over Hamadan?
What is the answer?
ANS: the Tajik


QUES: A railway electrification system supplies electric power to railway trains and trams without an on-board prime mover or local fuel supply. Electrification has many advantages but requires significant capital expenditure. Selection of an electrification system is based on economics of energy supply, maintenance, and capital cost compared to the revenue obtained for freight and passenger traffic. Different systems are used for urban and intercity areas; some electric locomotives can switch to different supply voltages to allow flexibility in operation.
All electric locomotives can switch to different supply voltages to allow for what?

ANS: unanswerable


The story sees Bond pitted against the global criminal organisation Spectre, marking the group's first appearance in an Eon Productions film since 1971's Diamonds Are Forever,[N 2] and tying Craig's series of films together with an overarching storyline. Several recurring James Bond characters, including M, Q and Eve Moneypenny return, with the new additions of Léa Seydoux as Dr. Madeleine Swann, Dave Bautista as Mr. Hinx, Andrew Scott as Max Denbigh and Monica Bellucci as Lucia Sciarra.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): What actress portrays Dr. Madeleine Swann in Spectre?
Ah, so.. Léa Seydoux


Question: The North American Environmental Atlas, produced by the Commission for Environmental Cooperation, a NAFTA agency composed of the geographical agencies of the Mexican, American, and Canadian governments uses the "Great Plains" as an ecoregion synonymous with predominant prairies and grasslands rather than as physiographic region defined by topography. The Great Plains ecoregion includes five sub-regions: Temperate Prairies, West-Central Semi-Arid Prairies, South-Central Semi-Arid Prairies, Texas Louisiana Coastal Plains, and Tamaulipus-Texas Semi-Arid Plain, which overlap or expand upon other Great Plains designations.
Try to answer this question if possible: who is the North American Environmental Atlas made by?
Answer: Commission for Environmental Cooperation


Context and question: Many of the world's largest cruise ships can regularly be seen in Southampton water, including record-breaking vessels from Royal Caribbean and Carnival Corporation & plc. The latter has headquarters in Southampton, with its brands including Princess Cruises, P&O Cruises and Cunard Line.
In addition to P&O Cruises and Cunard Line, what other brand does Carnival Corporation own?
Answer:
Princess Cruises