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.

[Q]: Passage: Sir Francis Pettit Smith of Kent invented the screw propeller. Faversham Oyster Fishery is the oldest company in the world. Maidenhead Railway Bridge is known for its flat arch, built in 1839 with 39-metre spans. The Wealden iron industry in the Weald was the site of the first blast furnace in Britain in 1491, and produced much of Britain's cast iron until the 1770s. Portsmouth Block Mills were the site of the world's first metal machine tools, built for the manufacture of wooden pulleys, invented by Henry Maudslay, and the site of the world's first industrial assembly line in 1803. South Foreland Lighthouse on 8 December 1858 was the world's first lighthouse with electric light, with the first type of industrial electrical generator made by Frederick Hale Holmes, from work he had carried out with Floris Nollet of Belgium, and 36 permanent magnets. By 1880, of the ten lighthouses with electric light, five were in the UK. From the lighthouse in 1899, the first international radio broadcast to France was made. Zénobe Gramme of Belgium made a much better design in 1870 with self-excitation of magnets, and the first modern dynamo. North Foreland Lighthouse was the UK's last-manned lighthouse until 1998.
 Link Information: Henry Maudslay (pronunciation and spelling) (22 August 1771  Answer: 32
[A]: How old was the inventor of wooden pulleys when the world's first assembly line launched?


[Q]: Passage: Smith began his managerial career with Bury in November 1973, taking over from Allan Brown. At the age of 29 he was the youngest manager in the Football League. He had initial success, guiding Bury to promotion from the Fourth Division in the fourth automatic place at the end of the 1973–74 season. He stabilised the Gigg Lane outfit in the Third Division in 1974–75 with a 14th-place finish. They went on to finish 13th in 1975–76, before finishing five points off the promotion places in 1976–77. He was sacked by Bury on 16 November 1977 after a poor start to the season. The "Shakers" finished the 1977–78 campaign in 15th place under the stewardship of Bob Stokoe.
 Link Information: taking over from Allan Brown Answer: 1
[A]: How long had the person Smith took over for in November 1973 managed Bury?


[Q]: Passage: The ZOO Bratislava () is a zoo in Bratislava, Slovakia. It is located in the area of Mlynská dolina in the borough of Karlova Ves on the slopes of the forested hills of Little Carpathians. As of 2016, the zoo has an area of out of which is open to the public, and is home to over 900 specimens of 175 animal species. The zoo receives on average 300,000 visitors annually. It is the only zoo in Bratislava, it is accessible by car with a dedicated parking lot or by public transport (bus stop ZOO) and it is open every day of the year. Major attractions include white lions, white tigers and DinoPark, featuring moving life-sized sculptures of dinosaurs. Out of the 5 major zoos in Slovakia, ZOO Bratislava is the second oldest, second largest and second most visited. ZOO Bratislava was one of the first zoos in Europe that was successful in breeding Eurasian lynx in captivity.
 Link Information: Bratislava (, , ; or ; ) is the capital of Slovakia. With a population of about 430,000, it is one of the smaller capitals of Europe but still the country's largest city.  Answer: 5.2
[A]:
What is the difference in population between the country and the city that the zoo is located in?