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

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

Context : Sir George Tomkyns Chesney, KCB, CSI, CIE (30 April 1830 Tiverton, Devon -- 31 March 1895), was a British Army general, brother of Colonel Charles Cornwallis Chesney. 
Question : What is the date of death for George Tomkyns Chesney?
31 March 1895

Context : Lukarta of Bogen (born 1075) was a Duchess consort of Bohemia, married to Bretislaus II, Duke of Bohemia. 
Question : What is Lukarta of Bogen's spouse's name?

Bretislaus II, Duke of Bohemia