Input: Read this: Beginning in 2005, the CBC has contributed production funds for the BBC Wales revival of Doctor Who, for which it received a special credit at the end of each episode. This arrangement continued until the end of fourth season, broadcast in 2008. The CBC similarly contributed to the first season of the spin-off series, Torchwood. More recently, the network has also begun picking up Canadian rights to some Australian series, including the drama series Janet King and Love Child, and the comedy-drama series Please Like Me.
Question: When did CBC end its Doctor Who contributions?

Output: the end of fourth season, broadcast in 2008

Input: Read this: Hack Wilson set a record of 56 home-runs and 190 runs-batted-in in 1930, breaking Lou Gehrig's MLB record of 176 RBI. (In 1999, a long-lost extra RBI mistakenly credited to Charlie Grimm had been found by Cooperstown researcher Cliff Kachline and verified by historian Jerome Holtzman, increasing the record number to 191.) As of 2014 the record still stands, with no serious threats coming since Gehrig (184) and Hank Greenberg (183) in the same era. The closest anyone has come to the mark in the last 75 years was Manny Ramirez's 165 RBI in 1999. In addition to the RBI record, Wilson 56 home-runs stood as the National League record until 1998, when Sammy Sosa and Mark McGwire hit 66 and 70, respectively. Wilson was named "Most Useful" player that year by the Baseball Writers' Association of America, as the official N.L. Most Valuable Player Award was not awarded until the next season.
Question: When did Hack Wilson set a record of 56 home-runs and 190 runs-batted-in?

Output: 1930

Input: Read this: Lancashire has a long and highly productive tradition of music making. In the early modern era the county shared in the national tradition of balladry, including perhaps the finest border ballad, "The Ballad of Chevy Chase", thought to have been composed by the Lancashire-born minstrel Richard Sheale. The county was also a common location for folk songs, including "The Lancashire Miller", "Warrington Ale" and "The soldier's farewell to Manchester", while Liverpool, as a major seaport, was the subject of many sea shanties, including "The Leaving of Liverpool" and "Maggie May", beside several local Wassailing songs. In the Industrial Revolution changing social and economic patterns helped create new traditions and styles of folk song, often linked to migration and patterns of work. These included processional dances, often associated with rushbearing or the Wakes Week festivities, and types of step dance, most famously clog dancing.
Question: What is one of the local Wassailing songs called?

Output: unanswerable

Input: Read this: The German materialist and atheist anthropologist Ludwig Feuerbach would signal a new turn in materialism through his book, The Essence of Christianity (1841), which provided a humanist account of religion as the outward projection of man's inward nature. Feuerbach's materialism would later heavily influence Karl Marx.
Question: When did Karl Marx write The Essence of Christianity?

Output:
unanswerable