Input question: Which book features the characters Passepartout, Mr Fix and Aouda?

Output answer: around world in eighty days

Input question: Who plays Dr Joan Watson in the TV series Elementary?

Output answer: lucy liu

Input question: In a medical breakthrough in 1901, who was the first to classify A, B, O blood groups?

Output answer: karl landsteiner

Input question: Who composed the opera Tristan and Isolde?

Output answer:
wagner