Question: The Diamond League had a scheduled event in 2016 in a city that features a tall tower made of metal girders.  Who were the famous "Big Four" who met at an earlier peace conference in this same city, and what nations did they represent?
answer: the Prime Minister of the United Kingdom, David Lloyd George
answer: the President of the United States, Woodrow Wilson
answer: the Prime Minister of Italy, Vittorio Emanuele Orlando
answer: the Prime Minister of France, Georges Clemenceau