In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

[Q]: This compound promotes the dephosphorylation and activation of enzyme HMG-CoA to favor cholesterol synthesis and a phenylalanine for leucine substitution at residue B25 results in its "Chicago" variety. Its biosynthesis involves an excision of the C-peptide, and the compound functions by binding to tyrosine kinase receptors on cell surfaces. Sanger's improvement upon the methods of Edman degradation involved its sequencing, and its production occurs primarily in beta cells on the islets of langerhans. For ten points, name this pancreatic counterpart of glucagon used to regulate blood sugar, deficiencies of which are found in sufferers of diabetes.  
[A]: Science


[Q]: He may have suggested Wang Lung use his daughter Diao Chan to bring down a mutual rival, and before the discovery of the Yinqueshan Han Strips, this man's commentaries on The Art of War served as its primary source material. After leading the campaigns against (*) Dong Zhuo, he used emperor Xian to support his wars in the north, which led to victory of Yuan Shao at the Battle of Guandu. Despite drastically outnumbering Sun Quan and Liu Bei, this man lost the Battle of Red Cliffs, dooming his Kingdom of Wei to mismanagement. For 10 points, identify this figure of China's Three Kingdom's period, considered the epitome of ruthless cunning in Chinese history.
[A]: History


[Q]: His attempt at writing a series of musical sketches about famous authors was aborted after his Robert Browning Overture, though he returned to the idea with the movements Hawthorne, Emerson, The Alcotts, and Thoreau in a certain piano sonata. This composer of The Unanswered Question also invented the notion of estate planning and wrote the Camp Meeting Symphony. For 10 points, name these early polytonalist, an American composer of Three Places in New England and the Concord Hymn.
[A]:
Fine Arts