Generate a correct and concise answer for the question based on the words in the context.

[Q]: Context : He was the father of Emmett Louis Till, whose murder in 1955 at the age of 14 galvanized the African-American civil rights movement. 
Question : Which crime led to the conviction of Louis Till?
[A]: murder


[Q]: Context : CyanogenMod (pronounced /saɪ.ˈæn.oʊ.ˌdʒɛn.mɒd/ or sigh-ah-no-gen-mod), usually abbreviated to CM, is an open-source operating system for smartphones and tablet computers, based on the Android mobile platform. 
Question : The CyanogenMod is based upon what?
[A]: Android


[Q]: Context : Gallows Thief (2001) is a historical mystery novel by Bernard Cornwell set in London in the year 1817, which uses capital punishment as its backdrop. 
Question : Which place does Gallows Thief exist in?
[A]:
London