88937
German chemist Andreas Sigismund Marggraf is credited with discovering pure metallic zinc in 1746 .
 person: Andreas Sigismund Marggraf
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Andreas Sigismund Marggraf 
Answer:
 person: Andreas Sigismund Marggraf