Input question: Canadian professor of management and psychology, Victor Vroom, established '(What?) Theory'?

Output answer: expectancy theory

Input question: "In the comic-strip ""Batman and Robin"" what is the Boy Wonder's real name?"

Output answer: dick grayson

Input question: What Washington D.C. landmark is shaped like an obelisk?

Output answer: washington monument

Input question: Which was the first Liverpool group to have their first three singles reach number one in the charts?

Output answer:
gerry and pacemakers