Question: What is the name of the tower big ben is in?

context: Big Ben is the nickname for the Great Bell of the striking clock at the north end of the Palace of Westminster in London and is usually extended to refer to both the clock and the clock tower. The official name of the tower in which Big Ben is located was originally the Clock Tower, but it was renamed Elizabeth Tower in 2012 to mark the Diamond Jubilee of Elizabeth II.
question: What was the original official name of the tower Big Ben is in?
short_answers: Clock Tower
context: Big Ben is the nickname for the Great Bell of the striking clock at the north end of the Palace of Westminster in London and is usually extended to refer to both the clock and the clock tower. The official name of the tower in which Big Ben is located was originally the Clock Tower, but it was renamed Elizabeth Tower in 2012 to mark the Diamond Jubilee of Elizabeth II.
question: As of 2012, what is the official name of the tower Big Ben is in?
short_answers: Elizabeth Tower
context: Big Ben is the nickname for the Great Bell of the striking clock at the north end of the Palace of Westminster in London and is usually extended to refer to both the clock and the clock tower. The official name of the tower in which Big Ben is located was originally the Clock Tower, but it was renamed Elizabeth Tower in 2012 to mark the Diamond Jubilee of Elizabeth II.
question: What is the name of the tower big ben is in since 2012?
short_answers: The Elizabeth Tower
Elizabeth Tower
context: Big Ben is the nickname for the Great Bell of the striking clock at the north end of the Palace of Westminster in London and is usually extended to refer to both the clock and the clock tower. The official name of the tower in which Big Ben is located was originally the Clock Tower, but it was renamed Elizabeth Tower in 2012 to mark the Diamond Jubilee of Elizabeth II.
question: What is the original name of the tower big ben is in?
short_answers: the Clock Tower

Answer: The original official name of the tower Big Ben is in was the Clock Tower, but it was renamed in 2012 to mark the Diamond Jubilee of Elizabeth II, and its name has been Elizabeth Tower since 2012.