In this task, you're given passages that contain mentions of names of people, places, or things. Some of these mentions refer to the same person, place, or thing. Your job is to write questions that evaluate one's understanding of such references. Good questions are expected to link pronouns (she, her, him, his, their, etc.) or other mentions to people, places, or things to which they may refer. Do not ask questions that can be answered correctly without understanding the paragraph or having multiple answers. Avoid questions that do not link phrases referring to the same entity. For each of your questions, the answer should be one or more phrases in the paragraph, and it should be unambiguous.
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Question: Passage: Following the purchase of two of his paintings by the Prussian Crown Prince, Friedrich was elected a member of the Berlin Academy in 1810. Yet in 1816, he sought to distance himself from Prussian authority and applied that June for Saxon citizenship. The move was not expected; the Saxon government was pro-French, while Friedrich's paintings were seen as generally patriotic and distinctly anti-French. Nevertheless, with the aid of his Dresden-based friend Graf Vitzthum von Eckstadt, Friedrich attained citizenship, and in 1818, membership in the Saxon Academy with a yearly dividend of 150 thalers. Although he had hoped to receive a full professorship, it was never awarded him as, according to the German Library of Information, "it was felt that his painting was too personal, his point of view too individual to serve as a fruitful example to students." Politics too may have played a role in stalling his career: Friedrich's decidedly Germanic subjects and costuming frequently clashed with the era's prevailing pro-French attitudes.

Answer: What is the first name of the man that the Dresden-based person helped attain membership into the Saxon Academy?

Question: Passage: The film was written by Pulitzer Prize winner Ira Berkow, and narrated by actor Dustin Hoffman. It was directed by Peter Miller, a documentary filmmaker known for his previous films A Class Apart, Sacco and Vanzetti, and The Internationale.Dustin Hoffman does not normally narrate films, and initially turned down the project. But when he looked at the script, he changed his mind, saying: "Oh, this is about bigotry and overcoming anti-Semitism, about discrimination and these issues that I grew up with, that really matters to me".The film opens with a clip from the 1980 satirical comedy film Airplane!, in which a flight attendant is asked by a passenger if she has anything light to read. She responds by offering an ultra-thin leaflet, saying: "How about this leaflet, Famous Jewish Sports Legends?"The stereotype of Jews as non-athletic, as well as anti-semitism, are two issues that many Jewish baseball players faced and had to overcome. Noted anti-semite Henry Ford wrote on May 22, 1920: "If fans wish to know the trouble with American baseball they have it in three wordstoo much Jew." A number of early Jewish ballplayers changed their names, so that it would not be apparent that they were Jewish.The movie discusses the key Jewish ballplayers in each decade since baseball started in the 1860s, and how that helped Jews assimilate and counteract the stereotype of Jews as cerebral but non-athletic. The film is in part about Jewish immigration and assimilation into American society, bigotry against Jews, the passing on of Jewish traditions even during assimilation, heroism, and the breaking of Jewish stereotypes.Director Miller said:

At its heart, this is a film about overcoming stereotypes. Bigotry against Jews has faded a great deal ...

Answer: What roll did Dustin Hoffman have in the film?

Question: Passage: Technology during the Tang period was built also upon the precedents of the past. Previous advancements in clockworks and timekeeping included the mechanical gear systems of Zhang Heng (78139) and Ma Jun (fl. 3rd century), which gave the Tang engineer, astronomer, and monk Yi Xing (683727) inspiration when he invented the world's first clockwork escapement mechanism in 725. This was used alongside a clepsydra clock and waterwheel to power a rotating armillary sphere in representation of astronomical observation. Yi Xing's device also had a mechanically timed bell that was struck automatically every hour, and a drum that was struck automatically every quarter-hour; essentially, a striking clock. Yi Xing's astronomical clock and water-powered armillary sphere became well known throughout the country, since students attempting to pass the imperial examinations by 730 had to write an essay on the device as an exam requirement. However, the most common type of public and palace timekeeping device was the inflow clepsydra. Its design was improved c. 610 by the Sui-dynasty engineers Geng Xun and Yuwen Kai. They provided a steelyard balance that allowed seasonal adjustment in the pressure head of the compensating tank and could then control the rate of flow for different lengths of day and night.There were many other mechanical inventions during the Tang era. These included a 3 ft (0.91 m) tall mechanical wine server of the early 8th century that was in the shape of an artificial mountain, carved out of iron and rested on a lacquered-wooden tortoise frame. This intricate device used a hydraulic pump that siphoned wine out of metal dragon-headed faucets, as well as tilting bowls that were timed to dip wine down, by force of gravity when filled, into an artificial lake that had intricate iron leaves popping up as trays for placing party treats. Furthermore, as the historian Charles Benn describes it:
Midway up the southern side of the mountain was a dragonthe beast opened its mouth and spit brew into a goblet seated on a large [iron] lotus leaf beneath. When the cup was 80% full, the dragon ceased spewing ale, and a guest immediately seized the goblet. If he was slow in draining the cup and returning it to the leaf, the door of a pavilion at the top of the mountain opened and a mechanical wine server, dressed in a cap and gown, emerged with a wooden bat in his hand. As soon as the guest returned the goblet, the dragon refilled it, the wine server withdrew, and the doors of the pavilion closedA pump siphoned the ale that flowed into the ale pool through a hidden hole and returned the brew to the reservoir [holding more than 16 quarts/15 liters of wine] inside the mountain.

Answer:
What creature was halfway up the southern side of the mechanical wine server shaped like a mountain?