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'.

Input: Consider Input: Passage: Amissah-Arthur was born at Cape Coast on 29 April 1951, the capital of the Central Region of Ghana, at the time organized as British Gold Coast Colony. His mother, Effie Amissah-Arthur is from the Hutchful family while his father, Jabesh Richmond P. Amissah-Arthur, an educator was from the Amissah-Arthur family and served as the second and longest serving headmaster of the Oda Secondary School at Akyem-Oda in the Eastern Region from September 1961 to December, 1977. Both families originated from Cape Coast and are of Fante ethnic origin. Kwesi Amissah-Arthur had five other siblings - one brother and four sisters. He attended the Aboom Methodist 'B' Primary School in Cape Coast and passed the Common Entrance examination from the Akim Oda Methodist School in 1964. He completed his secondary education at the Mfantsipim School, where he obtained the GCE Ordinary Level in 1969 and the GCE Advanced Level in 1971. At Mfantsipim, he was a resident of Lockhart-Schweitzer House. He proceeded to the University of Ghana at Legon, where he obtained the B.Sc. in 1974 and M.Sc. in 1976, both in Economics.
Link Information: none Question: How many students currently attend the Mfantsipim School?

Output: Answer: none

Input: Consider Input: Passage: This extended training period meant that he had accumulated 138 flying hours in his pilot's logbook before he finally joined No. 66 Squadron RFC in Italy on 10 March 1918. He was assigned to "C" Flight, flying a Sopwith Camel single seat fighter, and became the preferred wingman of fellow Canadian ace Billy Barker. Birks' first aerial victory came on 18 March, when he destroyed a Rumpler reconnaissance aircraft over Pravisdomini, killing an Austro-Hungarian pilot named Shneeberger. Six days later, he set another reconnaissance aircraft on fire, killing the crew of Poelzi and Suski. His third victory would not come until 2 May, when he wounded Leutnant K. Kosiuski and drove him into a crash landing that destroyed his Albatros D.V. Two days later, Birks shot down and killed ace Oberleutnant Karl Patzelt, as well as F. Frisch. In addition to killing both Austro-Hungarian pilots, he destroyed both their Albatros D.Vs; they were credited as "captured" because they fell within Italian lines. The new ace shot down another D.V in flames a week later, on 11 May. He destroyed two Berg fighters in five minutes on a morning patrol on 19 May. The following day, he destroyed another. On 24 May, while flying with Barker, Birks was credited with shooting down Hungarian ace Jozsef Kiss of Flik 55J; Birks thus became a double ace. On 9 June Birks set another Albatros D.V on fire in mid-air. On the 21st, he capped his list of triumphs by destroying another D.V over Motta. Most unusually for a British pilot, he had no "soft" victories, such as "driven down out of control".
Link Information: none Question: How many kills did Jozsef Kiss have recorded?

Output: Answer: none

Input: Consider Input: Passage: Francisco "Chico" Serra (born 3 February 1957 in Sao Paulo) is a racing driver from Brazil. He won the 1979 British Formula 3 Championship. He participated in 33 Formula One World Championship Grands Prix for Fittipaldi and Arrows, debuting on 15 March 1981. He made 18 starts, not qualifying for the remaining fifteen races, although he ought to have started as the reserve in the 1982 Swiss Grand Prix. However, Ferrari withdrew Patrick Tambay's entry so late that Serra was not allowed to take part. Serra scored one championship point, for finishing sixth in the 1982 Belgian Grand Prix. After qualifying for the 1982 Canadian Grand Prix, Serra and countryman Raul Boesel had a short scuffle. Serra was furious at Boesel for blocking his last flying lap after waving Keke Rosberg by. Boesel denied that this was intentional. Serra made one CART Champ Car start in 1985 at the Portland International Raceway for Ensign Racing but suffered an engine failure.
Link Information: Raul de Mesquita Boesel (, born 4 December 1957 in Curitiba, Brazil) Question: What was the age of Raul Boesel the year that Serra qualified for the 1982 Canadian Grand Prix?
Output: Answer: 25