Question: What is the name of the tower big ben is in?
qaPairs: question: What was the original official name of the tower Big Ben is in?
answer: Clock Tower
question: As of 2012, what is the official name of the tower Big Ben is in?
answer: Elizabeth Tower
qaPairs: question: What is the name of the tower big ben is in since 2012?
answer: The Elizabeth Tower
Elizabeth Tower
question: What is the original name of the tower big ben is in?
answer: the Clock Tower