19680
One of the earliest reported syntheses of this quinolinic acid was by Zdenko Hans Skraup , who found that methyl-substituted quinolines could be oxidized to quinolinic acid by potassium permanganate .
 person: Zdenko Hans Skraup
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Zdenko Hans Skraup 
Answer:
 person: Zdenko Hans Skraup