Read the following question and then pick a category that describes the question.
Question: What company has built more than 2.5 billion little green houses since 1935 ?
What category is the question in? Choose one from Abbreviation, Entity, Description and abstract concept, Human being, Location, Numeric value. Respond with only the category and no additional text.
Human being
Numeric value, Entity. (The question is asking for a specific company that has built a large number of a specific thing, so it falls into