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.

Ex Input:
Passage: In 1809, Walter Coffin sunk the first coal pit in the Rhondda, further up the valley in Dinas, but a lack of a transportation network greatly affected the profitability of coal mining as an industry in the region. Coffin tackled this problem by constructing a one-mile tramline which connected his mines in Dinas to a tramline built by Dr. Richard Griffiths at Denia (Pontypridd), which linked to a private canal that joined onto the Glamorganshire Canal at Treforest. Coffins tramline followed the southern bank of the River Rhondda and ran through Porth. The existence of the tramline made the development of the Porth and Cymmer region far more attractive, and by the middle of the 19th century there was an impetus to expand coal mining in the area. In 1841 Richard Lewis joined Coffin in trying to exploit the region with his level built at Cymmer. This resulted in the construction of around fifty miners' cottages, several of which were located in Porth. In 1844 Lewis Edwards of Newport and George Gethin of Penygraig opened a small level at Nyth-bran on the eastern borders of Porth, the villages' first coal mine. This was followed in 1845 by the sinking of the Porth Colliery by David James of Merthyr, the success of which saw him build the Llwyncelyn Colliery in 1951, also in Porth. By 1850 the Taff Vale Railway had been extended to Cymmer replacing the tramline, allowing direct access between the lower Rhondda and the ports of Cardiff.
 Link Information: It was opened in stages in 1840 and 1841. Answer: 10

Ex Output:
How long had the Taff Vale Railway been in existence the year it was extended to Cymmer?


Ex Input:
Passage: Clearing San Francisco on 27 February 1943, Crosby sailed by way of Pearl Harbor, Samoa, Viti Levu, and Noumea to Espiritu Santo, arriving on 27 March for training exercises with the 4th Marines. Beginning the active service which was to bring her a Navy Unit Commendation, Crosby sailed on 29 April for Guadalcanal as a transport screen. She made two similar voyages until 6 June, and then reported for patrol and escort duty in the Solomons. Crosby aided in the consolidation of the Solomons, landing troops on New Georgia between 30 June and 5 July; on the Treasury Islands under heavy gunfire on 27 October; and on Bougainville on 6 and 17 November. She sailed on 21 November for overhaul at Brisbane, Australia, returning to Milne Bay, New Guinea on 12 December. She trained Army and Marine personnel in amphibious landings, then landed troops at Cape Gloucester, New Britain, between 24 and 29 December 1943 and at Dekays Bay, New Guinea on 2 January 1944.
 Link Information: Guadalcanal (; indigenous name: Isatabu) is the principal island in Guadalcanal Province of the nation of Solomon Islands, located in the south-western Pacific Answer:  south-western Pacific

Ex Output:
What division of the ocean was Crosby sailing towards on April 29th as a transport screen?


Ex Input:
Passage: The ship was ordered on 4 March 1929 from Hawthorn Leslie, under the 1928 Naval Programme. She was laid down at Hebburn-on-Tyne on 11 July 1929, and launched on 23 September 1930, as the fifth RN ship to carry this name. Boadicea was completed on 9 April 1931 at a cost of £225,325, excluding items supplied by the Admiralty such as guns, ammunition and communications equipment. After her commissioning, she was assigned to the 4th Destroyer Flotilla with the Mediterranean Fleet until 1936. She was damaged whilst refuelling at sea with the battleship on 15 March 1935; her repairs lasted until 18 April. Later that year she was deployed to Famagusta, Cyprus, and Haifa, Palestine to assist British forces in putting down riots from December 1935 – January 1936. Boadicea had to return to Haifa in June to help put down the beginnings of the Arab Revolt. Afterwards the ship was deployed to Cartagena and Valencia to evacuate civilians at the start of the Spanish Civil War before beginning a refit at Portsmouth that lasted until 26 September. She remained with the 4th Flotilla until January 1939 and made multiple deployments off the coast of Spain enforcing the embargo until April 1938 when she was again refitted. After leaving the 4th Flotilla, Boadicea served as the plane guard for the aircraft carriers of the Mediterranean Fleet for a few months until she became the emergency destroyer at the Nore. She was attached to the Reserve Fleet at Portland for the Fleet Review in August 1939.
 Link Information: none Answer: none

Ex Output:

What city was Hawthorn Leslie located in?