TASK DEFINITION: You are given a question. You need to detect which category better describes the question. A question belongs to the description category if it asks about description and abstract concepts. Entity questions are about entities such as animals, colors, sports, etc. Abbreviation questions ask about abbreviations and expressions abbreviated. Questions regarding human beings, description of a person, and a group or organization of persons are categorized as Human. Quantity questions are asking about numeric values and Location questions ask about locations, cities, and countries. Answer with "Description", "Entity", "Abbreviation", "Person", "Quantity", and "Location".
PROBLEM: How many rows of sprocket holes does a roll of 35-millimeter film have ?

SOLUTION: Quantity

PROBLEM: What kind of patent did Ermal Fraze get in 1963 ?

SOLUTION: Entity

PROBLEM: In what year was the first patent for the pull-tab opener on cans obtained ?

SOLUTION:
Quantity