Problem: Asphalt:

Naturally occurring crude asphalt/bitumen impregnated in sedimentary rock is the prime feed stock for petroleum production from "Oil sands", currently under development in Alberta, Canada. Canada has most of the world's supply of natural asphalt/bitumen, covering 140,000 square kilometres (an area larger than England), giving it the second-largest proven oil reserves in the world. The Athabasca oil sands is the largest asphalt/bitumen deposit in Canada and the only one accessible to surface mining, although recent technological breakthroughs have resulted in deeper deposits becoming producible by in situ methods. Because of oil price increases after 2003, producing bitumen became highly profitable, but as a result of the decline after 2014 it became uneconomic to build new plants again. By 2014, Canadian crude asphalt/bitumen production averaged about 2.3 million barrels (370,000 m3) per day and was projected to rise to 4.4 million barrels (700,000 m3) per day by 2020. The total amount of crude asphalt/bitumen in Alberta which could be extracted is estimated to be about 310 billion barrels (5010^9 m3), which at a rate of 4,400,000 barrels per day (700,000 m3/d) would last about 200 years.

By what year did Athabascan crude asphalt/bitumen production average 2.3 million barrels per day?
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A: unanswerable

Problem: "Funday Night at the Movies" was replaced in 2008 by "Essentials Jr.", a youth-oriented version of its weekly series The Essentials (originally hosted by actors Abigail Breslin and Chris O'Donnell, then by John Lithgow from 2009 to 2011, and then by Bill Hader starting with the 2011 season), which included such family-themed films as National Velvet, Captains Courageous and Yours, Mine and Ours, as well as more eclectic selections as Sherlock, Jr., The Music Box, Harvey, Mutiny on the Bounty and The Man Who Knew Too Much.
Along with Chris O'Donnell, who was the original host of Essentials Jr.?
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Answer: Abigail Breslin

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Almost all of the composers who are described in music textbooks on classical music and whose works are widely performed as part of the standard concert repertoire are male composers, even though there has been a large number of women composers throughout the classical music period. Musicologist Marcia Citron has asked "[w]hy is music composed by women so marginal to the standard 'classical' repertoire?" Citron "examines the practices and attitudes that have led to the exclusion of women composers from the received 'canon' of performed musical works." She argues that in the 1800s, women composers typically wrote art songs for performance in small recitals rather than symphonies intended for performance with an orchestra in a large hall, with the latter works being seen as the most important genre for composers; since women composers did not write many symphonies, they were deemed to be not notable as composers. In the "...Concise Oxford History of Music, Clara Shumann [sic] is one of the only [sic] female composers mentioned." Abbey Philips states that "[d]uring the 20th century the women who were composing/playing gained far less attention than their male counterparts."
Why were women composers deemed not notable?
A: did not write many symphonies

Context and question: The experience of pain has many cultural dimensions. For instance, the way in which one experiences and responds to pain is related to sociocultural characteristics, such as gender, ethnicity, and age. An aging adult may not respond to pain in the way that a younger person would. Their ability to recognize pain may be blunted by illness or the use of multiple prescription drugs. Depression may also keep the older adult from reporting they are in pain. The older adult may also quit doing activities they love because it hurts too much. Decline in self-care activities (dressing, grooming, walking, etc.) may also be indicators that the older adult is experiencing pain. The older adult may refrain from reporting pain because they are afraid they will have to have surgery or will be put on a drug they might become addicted to. They may not want others to see them as weak, or may feel there is something impolite or shameful in complaining about pain, or they may feel the pain is deserved punishment for past transgressions.
What are reasons a younger adult might refrain from reporting pain?
Answer: unanswerable

Question: Central Catalan has abandoned almost completely unstressed possessives (mon, etc.) in favour of constructions of article + stressed forms (el meu, etc.), a feature shared with Italian.
Is there an answer to this question: What has Central Catalan mostly abandoned?

Answer: unstressed possessives

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
In 2002, Chinese geologist Chen Xuezhong published a Seismic Risk Analysis study in which he came to the conclusion that beginning with 2003, attention should be paid to the possibility of an earthquake with a magnitude of over 7.0 occurring in Sichuan region. He based his study on statistical correlation. That Sichuan is a seismically active area has been discussed for years prior to the quake, though few studies point to a specific date and time.
Who published a Seismic Risk Analysis Study?
A:
Chen Xuezhong