Input question: Who plays Calvin J Candie in the 2012 film 'Django Unchained'?

Output answer: leonardo dicaprio

Input question: La Sapienza University is in which European city?

Output answer: rome

Input question: What was the name of the Celtic fire festival, which marked the end of the harvest season and the beginning of winter?

Output answer: samhain

Input question: In the name of the computing company, for what do the letters 'HP' stand?

Output answer:
hewlett packard