Input question: What gives 'Earl Grey Tea' its characteristic flavour?

Output answer: oil of bergamot

Input question: Who had a 70s No 1 hit with Billy, Don't Be A Hero?

Output answer: bo donaldson heywoods

Input question: What was the title of the aptly named first song to be played on MTV in Britain?

Output answer: video killed radio star

Input question: In Dallas in which county do the Ewings live

Output answer:
braddock county