In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.
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Question: Passage: In 1986, Mehboob met music composer Ismail Darbar who used to play the violin in film orchestras in those days. And it was Darbar who taught him the difference between poetry and film lyrics. Darbar introduced Mehboob to filmmaker Ram Gopal Varma and he began his song writing career with Varma's 1992 film Drohi whose music was composed by R. D. Burman. He then worked with A.R.Rahman on Varma's Rangeela. Rahman liked his work and introduced him to Mani Ratnam and Mehboob penned the lyrics for the Hindi (dubbed) version of Bombay. Mehboob went on to work with Rahman on films such as Thakshak, Doli Saja Ke Rakhna and Dubbed version of Dil Hi Dil Mein. He has also written the lyrics for Rahman's non-film album Maa Tujhe Salaam as well as Ratnam's Yuva.
Link Information: Gopala Ratnam Subramaniam (born 2 June 1956) Answer: 36

Answer: How old was Mani Ratnam when the film Drohi was released?

Question: Passage: Lewis was born in Bermuda, the youngest of the three children all boys of Major Leonard Carey Lewis (18801952) and his wife, Katherine Barbara, nee Sutton (18841965). There was a military tradition on both sides of the family, which the young Lewis did not follow: his musical talent became clear from his early years and he was sent to Salisbury Cathedral choir school, and at the age of eight he became a chorister at St George's Chapel, Windsor. At the age of 13 Lewis attended the Royal Academy of Music (RAM), London, studying composition with William Alwyn. He won a scholarship to Wellington College, from where, in 1932, he went to Peterhouse, Cambridge. There, according to The Times, he was "one of the most brilliant of his generation to have come under the influence of E.J.Dent". A scholarship enabled him to spend some months studying in Paris with Nadia Boulanger in 1934. He graduated the following year as BA and MusB.
Link Information: In 1348, King Edward III founded two religious colleges: St Stephen's at Westminster and St George's at Windsor. Answer: 1348

Answer: What year was the building constructed that Lewis because a chorister at when he was eight years old?

Question: Passage: SMS Kronprinz Erzherzog Rudolf was a unique ironclad warship built for the Austro-Hungarian Navy in the 1880s. The last ironclad completed for the Austro-Hungarian Navy, Kronprinz Erzherzog Rudolf was laid down in January 1884, launched in July 1887, and completed in September 1889. She was armed with a main battery of three guns and had compound steel plating of the same thickness on her armored belt. The ship had an uneventful career, in large part due to her rapid obsolescence. She made trips to foreign countries to represent Austria-Hungary, but was reduced to a coastal defense ship by 1906. She continued in this role through World War I, based at Cattaro Bay, where her crew took part in the Cattaro Mutiny in early 1918. After the war, Kronprinz Erzherzog Rudolf was transferred to the Navy of the Kingdom of Serbs, Croats and Slovenes and renamed Kumbor, but she remained in their inventory for only a year, being sold for scrap in 1922.
Link Information: Existing between 1867 and 1918, the k.u.k. Kriegsmarine came into being after the formation of Austria-Hungary in 1867, and ceased to exist upon the Empire's defeat and subsequent collapse at the end of World War I. Answer: 51

Answer:
The Navy that this ship was a member of existed for how many years?