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

[Q]: Context : Robert Sadin is an American jazz musician, conductor, arranger, composer and producer. 
Question : What was Robert Sadin's career?
[A]: jazz musician


[Q]: Context : John Hunt Morgan (June 1, 1825 -- September 4, 1864) was a Confederate general in the American Civil War. 
Question : Which war did John Hunt Morgan serve in?
[A]: American Civil War


[Q]: Context : Things to Do Before You're 30 is set in Greenwich, London with a large ensemble cast including Dougray Scott, Emilia Fox, Billie Piper, Jimi Mistry, Shaun Parkes, Bruce Mackinnon, George Innes, George Irving, Rosie Cavaliero, Nina Young, Danny Nussbaum, David Paul West & Neil McGuinness. 
Question : Which place does Things to Do Before You're 30 exist in?
[A]:
London