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'.

[EX Q]: Passage: Marques del Duero was the oldest member of Rear Admiral Patricio Montojo de Pasaron's Pacific Squadron at Manila in the Philippine Islands when the Spanish–American War broke out in April 1898. She was anchored with the squadron in Cañacao Bay under the lee of the Cavite Peninsula east of Sangley Point, Luzon, eight miles southwest of Manila, when, early on the morning of 1 May 1898, the United States Navy's Asiatic Squadron under Commodore George Dewey, found Montojo's anchorage and attacked. In the resulting Battle of Manila Bay, the first major engagement of the Spanish–American War, Marques del Duero took one , one , and about three other shell hits, which wrecked her bow gun, a side gun, and an engine. Her crew scuttled her in shallow water; part of her upper works remained above water, and a boarding crew from the gunboat went aboard and set these on fire at the end of battle.
 Link Information: Hostilities were halted on August 12, 1898, with the signing in Washington of a Protocol of Peace between the United States and Spain Question: What year did the war end that broke out while the Marques del Duero was at Manila in the Philippine Islands?
[EX A]: Answer: 1898

[EX Q]: Passage: Wasson was born Isabel Deming Bassett in Brooklyn, NY on January 11, 1897, daughter of urban planner Edward Bassett and Annie Preston Bassett, and sister of inventor and engineer Preston Bassett. Wasson graduated Phi Beta Kappa from Wellesley College in 1918, majoring in history so she could take a wide range of science courses. She took classes in geology after graduation at the University of Chicago and the Massachusetts Institute of Technology. She met her future husband, petroleum geologist Theron Wasson, whom she married in 1920, while working towards a master's degree in geology at Columbia University, which she finished in 1934. They had three children: Elizabeth W. Bergstrom, a biologist; Edward B. Wasson, a petroleum geologist; and Anne Harney Gallagher, an art historian. Wasson worked as a petroleum geologist in her husband's office at the Pure Oil Company from the early 1920s until 1928. She published two scholarly articles on geology, one co-authored with her husband about an oil field discovered by Pure Oil in 1914, and another by herself about the ages of rock formations in Ohio and new terminology for them; the latter was cited in a number of other papers and a recent book. After 1928 she spent over 50 years in River Forest, IL, teaching science in the local public schools, lecturing, bird watching (ornithology), and mentoring generations of young naturalists. She was quoted in this 1986 Chicago Tribune article as an expert on local geology at age 89. She was honored for her contributions to local history in 1982 when the Wasson Room was named after her in a local school to hold local history resources. Her interests included archaeology; she discovered a Native American religious mound in Thatcher Woods, near her house in River Forest, in the 1930s. An article about her discovery called her "the one who started the environmental education movement in America back in the 1920s and '30s." Theron and Isabel divorced in 1953 and she did not remarry. From 1953-1954, Wasson served as President of the Chicago Ornithological Society. Wasson also taught classes at the Morton Arboretum in Lisle, Illinois. She died in La Grange Park, IL, in 1994.
 Link Information: Theron Rhodes Wasson (1887-1970) Question: At what age did Theron Wasson marry Isabel Wasson?
[EX A]: Answer: 33

[EX Q]: Passage: A native of the Ukrainian port city of Odessa (a part of the Soviet Union until 1991), Izold Pustõlnik graduated cum laude from Odessa University in 1960 and received his Ph.D. from the University of Tartu in 1969 and his D.Sc. from Saint Petersburg State University in 1994. From the age of 27 in 1965 until his death forty-three years later, he was on the staff of Tartu Observatory where, as a research associate (promoted to senior research associate in 2000), he worked on the physics of close binary systems, theory of stellar atmospheres, interstellar medium, archaeoastronomy and history of astronomy. He was also a member of the International Astronomical Union, European Astronomical Society, Euroscience, Society for European Astronomy in Culture (SEAC) and served on the Board of Euro-Asian Astronomical Society and the Advisory Board of Astronomical and Astrophysical Transactions. 
 Link Information: none Question: How many citizens lived in Odessa the year it ceased to be part of the Soviet Union?
[EX A]:
Answer: none