The problem: Answer a question about this article:
The wildcard round returned in season eight, wherein there were three groups of twelve, with three contestants moving forward the highest male, the highest female, and the next highest-placed singer - for each night, and four wildcards were chosen by the judges to produce a final 13. Starting season ten, the girls and boys perform on separate nights. In seasons ten and eleven, five of each gender were chosen, and three wildcards were chosen by the judges to form a final 13. In season twelve, the top twenty semifinalists were split into gender groups, with five of each gender advancing to form the final 10. In season thirteen, there were thirty semifinalists, but only twenty semifinalists (ten for each gender) were chosen by the judges to perform on the live shows, with five in each gender and three wildcards chosen by the judges composing the final 13.
How many finalists were there in season eight?
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The answer: thirteen

The problem: Answer a question about this article:
When Richard was five years old, his mother gave birth to a younger brother, but this brother died at four weeks of age. Four years later, Richard gained a sister, Joan, and the family moved to Far Rockaway, Queens. Though separated by nine years, Joan and Richard were close, as they both shared a natural curiosity about the world. Their mother thought that women did not have the cranial capacity to comprehend such things. Despite their mother's disapproval of Joan's desire to study astronomy, Richard encouraged his sister to explore the universe. Joan eventually became an astrophysicist specializing in interactions between the Earth and the solar wind.
What is Feynman's sister's name?
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The answer: Joan

The problem: Answer a question about this article:
Literature grew to new heights in the Qing period. Poetry continued as a mark of the cultivated gentleman, but women wrote in larger and larger numbers and poets came from all walks of life. The poetry of the Qing dynasty is a lively field of research, being studied (along with the poetry of the Ming dynasty) for its association with Chinese opera, developmental trends of Classical Chinese poetry, the transition to a greater role for vernacular language, and for poetry by women in Chinese culture. The Qing dynasty was a period of much literary collection and criticism, and many of the modern popular versions of Classical Chinese poems were transmitted through Qing dynasty anthologies, such as the Quantangshi and the Three Hundred Tang Poems. Pu Songling brought the short story form to a new level in his Strange Stories from a Chinese Studio, published in the mid-18th century, and Shen Fu demonstrated the charm of the informal memoir in Six Chapters of a Floating Life, written in the early 19th century but published only in 1877. The art of the novel reached a pinnacle in Cao Xueqin's Dream of the Red Chamber, but its combination of social commentary and psychological insight were echoed in highly skilled novels such as Wu Jingzi's The Scholars (1750) and Li Ruzhen's Flowers in the Mirror (1827).
What was the name of Pu Songling's collection of short stories?
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The answer: Strange Stories

The problem: Answer a question about this article:
The Scheinergrade (Sch.) system was devised by the German astronomer Julius Scheiner (18581913) in 1894 originally as a method of comparing the speeds of plates used for astronomical photography. Scheiner's system rated the speed of a plate by the least exposure to produce a visible darkening upon development. Speed was expressed in degrees Scheiner, originally ranging from 1 Sch. to 20 Sch., where an increment of 19 Sch. corresponded to a hundredfold increase in sensitivity, which meant that an increment of 3 Sch. came close to a doubling of sensitivity.
Who created the Scheinergrade system?
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The answer:
the German astronomer Julius Scheiner