6598
It was the work of Michio Kuga with contributions also by Mikio Sato , Goro Shimura , and Yasutaka Ihara , followed by .
 person: Michio Kuga; person: Mikio Sato; person: Goro Shimura; person: Yasutaka Ihara
Please list all entity words in the text that fit the category.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} 
Answer:
 person: Michio Kuga; person: Mikio Sato; person: Goro Shimura; person: Yasutaka Ihara