Input question: Which chemical element has the symbol Hf?

Output answer: hafnium

Input question: In which country have 9 missing episodes of Dr Who been discovered?

Output answer: nigeria

Input question: Which scientific great's equation is seen in the field of quantum mechanics as the equivalent of Newton's Second Law?

Output answer: erwin schrodinger

Input question: Four year old Exodus, who died due to an accident with a treadmill in May 2009, was the daughter of whom?

Output answer:
mike tyson