Input question: Which American rock and roll pianist had a hit with song 'Blueberry Hill'?

Output answer: fats domino

Input question: As what is the game of 'petanque' better known?

Output answer: boules

Input question: Which Shakespeare play was set in Ephesus probably 14century?

Output answer: comedy of errors

Input question: What is the name of the UKTV digital channel based on repeats of recent BBC programmes such as Top Gear?

Output answer:
dave