Input question: The dabchick is an alternative name for which diving bird?

Output answer: little grebe

Input question: Until 1903, what stimulant was added to Coca-Cola?

Output answer: cocaine

Input question: Which TV series made Jonathan Routh famous?

Output answer: candid camera

Input question: Which type of gas is obtained by the controversial process of hydraulic fracturing or 'fracking'?

Output answer:
shale gas