Answer the question from the given passage. Your answer should be directly extracted from the passage, and it should be a single entity, name, or number, not a sentence.

[Q]: Passage: James Hutton is often viewed as the first modern geologist. In 1785 he presented a paper entitled Theory of the Earth to the Royal Society of Edinburgh. In his paper, he explained his theory that the Earth must be much older than had previously been supposed in order to allow enough time for mountains to be eroded and for sediments to form new rocks at the bottom of the sea, which in turn were raised up to become dry land. Hutton published a two-volume version of his ideas in 1795 (Vol. 1, Vol. 2). Question: In 1785 James Hutton presented what paper to the Royal Society of Edinburgh?
[A]: Theory of the Earth


[Q]: Passage: Contrary to popular belief, Genghis Khan did not conquer all the areas ultimately part of the Mongol Empire. At the time of his death, the Mongol Empire stretched from the Caspian Sea to the Sea of Japan. The empire's expansion continued for a generation or more after Genghis's death in 1227. Under Genghis's successor Ögedei Khan the speed of expansion reached its peak. Mongol armies pushed into Persia, finished off the Western Xia and the remnants of the Khwarezmids, and came into conflict with the imperial Song dynasty of China, starting a war that lasted until 1279 and that concluded with the Mongols gaining control of all of China. They also pushed further into Russia and eastern Europe. Question: What body of water sat to the west of the Mongol Empire when Genghis Khan died?
[A]: Caspian Sea


[Q]: Passage: The Grainger Market replaced an earlier market originally built in 1808 called the Butcher Market. The Grainger Market itself, was opened in 1835 and was Newcastle's first indoor market. At the time of its opening in 1835 it was said to be one of the largest and most beautiful markets in Europe. The opening was celebrated with a grand dinner attended by 2000 guests, and the Laing Art Gallery has a painting of this event. With the exception of the timber roof which was destroyed by a fire in 1901 and replaced by latticed-steel arches the Market is largely in its original condition. The Grainger Market architecture, like most in Grainger Town, which are either grade I or II listed, was listed grade I in 1954 by English Heritage. Question: When did Newcastle's first indoor market open?
[A]:
1835