Input question: Before petroleum was first commercialized in 1859, which oil was most commonly used for lubrication and lighting?

Output answer: whale oil

Input question: Which jockey rode L'Escargot to victory in the 1975 Grand National?

Output answer: tommy carberry

Input question: Visible sunspots vary in number according to a cycle of how many years?

Output answer: eleven

Input question: Who wrote the music for the hymn 'Onward Christian Soldiers'?

Output answer:
sir arthur sullivan