useless trivia: In Washington D.C., no building can be built taller than the---------- .?

Questions

The Top 10, World's most-produced cereal crops?

The Top 10, This one will get your goat, name the top goat producing countries of the world?

The most common health disorder, affecting both males and females?

The Top 10, The most common phobias that people have?

The Top 10, According to the United Nations, the best countries to live in?