input question: What is the main language of Sao Paulo , Brazil ?

Would the answer to this question be an entity, an abbreviation, a description, a human, a location, or a numeric value?
your answer: entity

input question: What were millions of kids wearing on their heads in 1955 ?

Would the answer to this question be an entity, an abbreviation, a description, a human, a location, or a numeric value?
your answer: entity

input question: In what year did they build the Berlin Wall ?

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your answer: numeric

input question: How long is the border between Canada and the 48 conterminous states ?

Would the answer to this question be an entity, an abbreviation, a description, a human, a location, or a numeric value?
your answer:
numeric