Input question: In which city are the HQ of the West Mercia Constabulary?

Output answer: worcester

Input question: Who played John Christie in 1960's film 10, Rillington Place?

Output answer: richard attenborough

Input question: What is the title of the 1866 operetta that Sullivan composed without Gilbert to a libretto by F C Burnand?

Output answer: cox and box

Input question: "Who won an Oscar for directing ""Slumdog Millionaire"", which also won an Oscar for Best Picture?"

Output answer:
danny boyle