What is the question "What did Martin Luther post on the church door at Wittenberg ?" asking about?
A: entity

What is the question "What is the world 's deadliest infectious disease ?" asking about?
A: entity

What is the question "Who was the Russian ambassador to Hungary during the 1956 uprising ?" asking about?
A: human

What is the question "How many continents are there ?" asking about?
A:
numeric