Input question: What mineral caused the founding of S Africa's Johannesburg in 1886?

Output answer: gold

Input question: The NFL championship is played for the Lombardi trophy. What do the winners of the Canadian Football League play for?

Output answer: grey cup

Input question: In 1803, part of which two Canadian provinces were bought by the USA from France with the Louisiana Purchase, and ceded to Great Britain in 1818?

Output answer: alberta and saskatchewan

Input question: "Who wrote the books ""Fourplay"" (published in 2001), ""The Ex Files"" (2003), ""dot.homme"" (2004), ""Second Wives Club"" (2005) and ""Love @ First Site"" (2005)?"

Output answer:
jane moore