instruction:
In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
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Passage: By the 1920s, SCGX was doubling annually and had emerged as the "fastest growing grain market in the world"; transacting 22 million bushels in 1928 (valued at $336 million in 2018), resulting from its location in the heart of the Corn Belt and self-imposed standards before the Grain Standards Act of 1916 including species admittance and non-mixing. However, its growth was limited by shipping rates. With the trucking industry and Interstate Highway System not yet developed, SCGX was constrained by monopolized railroad rates, primarily by the Great Northern Railway. Exhausting their bargaining power with the Interstate Commerce Commission, SCGX President Charles C. Flanley directed future lobbying efforts to unlocking barge navigation of the Missouri River. His initiative was stalled throughout the 1930s by the Great Depression and Dust Bowl. In 1938, a renewed thirteen year campaign led by Secretary William Henry Marriott finally opened commercial navigation of the Missouri River and helped establish the Missouri River Basin Project, which included development of the Gavins Point Dam. The alternate transportation succeeded in breaking the railroad's monopoly. By the 1970s, SCGX was among the largest exchanges in the world; transacting over 100 million bushels annually (valued at $1 billion as of 2018).
Link Information: The timing of the Great Depression varied across nations; in most countries, it started in 1929 and lasted until the late 1930s. Question: Which 1930s event that stalled the Flanley initiative last the longest?
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Answer: The Great Depression

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Passage: The sixth story, "Angira" (Taxila 1800 BC), is about a man who wants to save the Aryan race from losing its identity to other races by teaching about their true culture (precursor to Vedic Rishis). The eighth story (Pravahan (700 BC. Panchala, U.P.). is about the upper class manipulating religion for their own vested interests and conspiring to keep people in dark for at least 2000 years). One can see how easily and frequently the Indians, the mid easterners and the Greeks mingled with each other in the times of Chanakya and Alexander by reading the tenth story Nagdatt, which is about a philosopher classmate of Chanakya who travels to Persia and Greece and learns how Athens fell to Macedonia. The eleventh story (Prabha, 50 AD) is about the famous (also the first Indian) dramatist Asvaghosa, who adopted the Greek art of drama into Indian culture in a very beautiful and authentic way, and his inspiration. Baba Noordeen (1300), the 15th story is about the rise of Sufism. The seventeenth story Rekha Bhagat (1800 is about the barbarous rule of the East India company and the anarchy it brought to parts of India. The last story ("Sumer", 1942) is about a man who goes on to fight the Japanese because he wants Soviet Russia to triumph, for this nation according to him is the only hope left for humanity.
Link Information: none Question: When was the first Indian dramatist born?
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Answer: none

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Passage: The facts regarding Constantine's life are confused and subject to conjecture. It is known that at the time of Emperor Leo VI the Wise (r. 886912), he restored a monastery near the Church of the Holy Apostles, which is nowadays identified with the Fenari Isa Mosque on account of a partial inscription commemorating its dedication to the Theotokos. The date of the inauguration is traditionally placed in 907/908. Constantine Lips also participated in the failed coup of the prominent general Constantine Doukas against the infant Constantine VII Porphyrogennetos (r. 913959) in July 913, after the death of Leo's brother and successor Alexander (r. 912913). In its wake, several nobles who had been or were suspected of being involved in the coup were executed, while others fled the city, amongst them Constantine Lips. On August 20, 917, he fell at the Battle of Acheloos, fighting against the Bulgarian forces under Simeon I.
Link Information: The Battle of Achelous or Acheloos (, ), also known as the Battle of Anchialus, took place on 20 August 917, on the Achelous River near the Bulgarian Black Sea coast, Question: In what country did the Battle of Acheloos take place?
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Answer: Bulgaria