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.

Input: Consider Input: Passage: German Type IXD2 submarines were considerably larger than the original Type IXs. U-861 had a displacement of when at the surface and while submerged. The U-boat had a total length of , a pressure hull length of , a beam of , a height of , and a draught of . The submarine was powered by two MAN M 9 V 40/46 supercharged four-stroke, nine-cylinder diesel engines plus two MWM RS34.5S six-cylinder four-stroke diesel engines for cruising, producing a total of for use while surfaced, two Siemens-Schuckert 2 GU 345/34 double-acting electric motors producing a total of for use while submerged. She had two shafts and two propellers. The boat was capable of operating at depths of up to .
 Link Information: The range was extended to 31,500 nmi Answer: 7800

Output: How much larger were the improved German submarines?


Input: Consider Input: Passage: Henry Scott Riddell was born on 23 September 1798 in Sorbie, near Langholm, Dumfriesshire, the third child of seven to Robert Riddell, a shepherd, and his wife Agnes (née Scott). His father was reportedly an associate of the Scottish poets James Hogg, the Ettrick Shepherd, who would occasionally visit their household and recite his own poetry to the children, and Walter Scott, as well as Sir Pulteney Malcolm. His elder brother, Borthwick Riddell, known as The Piper, was a locally renowned player of the bagpipes who notably played at the wedding of John Russell, 1st Earl Russell to Lady Frances Anna-Maria Elliot-Murray-Kynynmound, daughter of Gilbert Elliot, 2nd Earl of Minto, on 20 July 1841. His younger brother, Robert Riddell, emigrated to Canada and was an early pioneer of Beverley Township in Ontario. He also participated in the Upper Canada Rebellion, coming to be known as The Chief, leading dozens of men from County Wentworth in a march to Woodstock, Ontario.
 Link Information: The Upper Canada Rebellion was an insurrection against the perceived oligarchic government of the British colony of Upper Canada Answer: the perceived oligarchic government of the British colony of Upper Canada

Output: Who did Robert Riddell rebell against in Woodstock?


Input: Consider Input: Passage: Dalek Attack is a computer game based on the long-running British science fiction television series Doctor Who, in which the player controls the Doctor and fights recurring adversaries, the Daleks and other enemies. In most versions of the game, the player can choose between playing as the Fourth, Fifth or Seventh Doctor; in the MS-DOS and Amiga versions, the player can play as the Second, Fourth or Seventh Doctor, and in the ZX Spectrum version only the Seventh Doctor was available. A second player may play as the Doctor's companion (Ace or a UNIT soldier, although in the Spectrum version only Ace is available). K-9 also makes appearances later in the game as does Davros, creator of the Daleks in the TV series, as the final end of level boss. The game is set in London, Paris, New York, Tokyo and Skaro.
 Link Information: He was portrayed by Tom Baker.
 Answer: Tom Baker


Output: What is the name of the actor who played the fourth version of the hero in Dalek Attack?